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Finding the Fourth Proportional to 17,613,672.90, 26,420,509.35 and 17,613,672.90

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Solution

The fourth proportional to 17,613,672.90, 26,420,509.35 and 17,613,672.90 is: 26,420,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,672.90 : 26,420,509.35 = 17,613,672.90 : x
  2. Step 2: Convert to fraction form
    17,613,672.90/26,420,509.35 = 17,613,672.90/x
  3. Step 3: Cross multiply
    17,613,672.90x = 26,420,509.35 × 17,613,672.90
  4. Step 4: Simplify right side
    17,613,672.90x = 465,362,209,542,291.62
  5. Step 5: Solve for x
    x = 465,362,209,542,291.62/17,613,672.90
  6. Step 6: Final answer
    x = 26,420,509.35

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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.