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Finding the Fourth Proportional to 15,502.52, 23,232.96 and 8,472.02

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Solution

The fourth proportional to 15,502.52, 23,232.96 and 8,472.02 is: 12,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.52 : 23,232.96 = 8,472.02 : x
  2. Step 2: Convert to fraction form
    15,502.52/23,232.96 = 8,472.02/x
  3. Step 3: Cross multiply
    15,502.52x = 23,232.96 × 8,472.02
  4. Step 4: Simplify right side
    15,502.52x = 196,829,985.61
  5. Step 5: Solve for x
    x = 196,829,985.61/15,502.52
  6. Step 6: Final answer
    x = 12,696.65

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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.