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Finding the Fourth Proportional to 15,127.92, 22,691.93 and 5,264.84

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Solution

The fourth proportional to 15,127.92, 22,691.93 and 5,264.84 is: 7,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.92 : 22,691.93 = 5,264.84 : x
  2. Step 2: Convert to fraction form
    15,127.92/22,691.93 = 5,264.84/x
  3. Step 3: Cross multiply
    15,127.92x = 22,691.93 × 5,264.84
  4. Step 4: Simplify right side
    15,127.92x = 119,469,411.15
  5. Step 5: Solve for x
    x = 119,469,411.15/15,127.92
  6. Step 6: Final answer
    x = 7,897.28

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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.