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Finding the Fourth Proportional to 16,615.49, 22,929.08 and 9,061.88

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Solution

The fourth proportional to 16,615.49, 22,929.08 and 9,061.88 is: 12,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.49 : 22,929.08 = 9,061.88 : x
  2. Step 2: Convert to fraction form
    16,615.49/22,929.08 = 9,061.88/x
  3. Step 3: Cross multiply
    16,615.49x = 22,929.08 × 9,061.88
  4. Step 4: Simplify right side
    16,615.49x = 207,780,411.52
  5. Step 5: Solve for x
    x = 207,780,411.52/16,615.49
  6. Step 6: Final answer
    x = 12,505.23

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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.