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Finding the Fourth Proportional to 19,465,086.90, 29,197,630.35 and 19,465,086.90

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Solution

The fourth proportional to 19,465,086.90, 29,197,630.35 and 19,465,086.90 is: 29,197,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465,086.90 : 29,197,630.35 = 19,465,086.90 : x
  2. Step 2: Convert to fraction form
    19,465,086.90/29,197,630.35 = 19,465,086.90/x
  3. Step 3: Cross multiply
    19,465,086.90x = 29,197,630.35 × 19,465,086.90
  4. Step 4: Simplify right side
    19,465,086.90x = 568,334,412,036,827.38
  5. Step 5: Solve for x
    x = 568,334,412,036,827.38/19,465,086.90
  6. Step 6: Final answer
    x = 29,197,630.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.