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Finding the Fourth Proportional to 9,707,712.90, 14,561,569.35 and 2,616,000.90

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Solution

The fourth proportional to 9,707,712.90, 14,561,569.35 and 2,616,000.90 is: 3,924,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707,712.90 : 14,561,569.35 = 2,616,000.90 : x
  2. Step 2: Convert to fraction form
    9,707,712.90/14,561,569.35 = 2,616,000.90/x
  3. Step 3: Cross multiply
    9,707,712.90x = 14,561,569.35 × 2,616,000.90
  4. Step 4: Simplify right side
    9,707,712.90x = 38,093,078,525,012.41
  5. Step 5: Solve for x
    x = 38,093,078,525,012.41/9,707,712.90
  6. Step 6: Final answer
    x = 3,924,001.35

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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.