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Finding the Fourth Proportional to 16,615.73, 22,929.63 and 9,061.92

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Solution

The fourth proportional to 16,615.73, 22,929.63 and 9,061.92 is: 12,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.73 : 22,929.63 = 9,061.92 : x
  2. Step 2: Convert to fraction form
    16,615.73/22,929.63 = 9,061.92/x
  3. Step 3: Cross multiply
    16,615.73x = 22,929.63 × 9,061.92
  4. Step 4: Simplify right side
    16,615.73x = 207,786,472.69
  5. Step 5: Solve for x
    x = 207,786,472.69/16,615.73
  6. Step 6: Final answer
    x = 12,505.41

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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.