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Finding the Fourth Proportional to 16,615.92, 22,929.89 and 9,062.11

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Solution

The fourth proportional to 16,615.92, 22,929.89 and 9,062.11 is: 12,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.92 : 22,929.89 = 9,062.11 : x
  2. Step 2: Convert to fraction form
    16,615.92/22,929.89 = 9,062.11/x
  3. Step 3: Cross multiply
    16,615.92x = 22,929.89 × 9,062.11
  4. Step 4: Simplify right side
    16,615.92x = 207,793,168.82
  5. Step 5: Solve for x
    x = 207,793,168.82/16,615.92
  6. Step 6: Final answer
    x = 12,505.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.