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Finding the Fourth Proportional to 15,008.16, 22,512.24 and 5,772

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Solution

The fourth proportional to 15,008.16, 22,512.24 and 5,772 is: 8,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.16 : 22,512.24 = 5,772 : x
  2. Step 2: Convert to fraction form
    15,008.16/22,512.24 = 5,772/x
  3. Step 3: Cross multiply
    15,008.16x = 22,512.24 × 5,772
  4. Step 4: Simplify right side
    15,008.16x = 129,940,649.28
  5. Step 5: Solve for x
    x = 129,940,649.28/15,008.16
  6. Step 6: Final answer
    x = 8,658.00

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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.