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Finding the Fourth Proportional to 29,689.73, 44,531.86 and 8,635.30

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Solution

The fourth proportional to 29,689.73, 44,531.86 and 8,635.30 is: 12,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.73 : 44,531.86 = 8,635.30 : x
  2. Step 2: Convert to fraction form
    29,689.73/44,531.86 = 8,635.30/x
  3. Step 3: Cross multiply
    29,689.73x = 44,531.86 × 8,635.30
  4. Step 4: Simplify right side
    29,689.73x = 384,545,970.66
  5. Step 5: Solve for x
    x = 384,545,970.66/29,689.73
  6. Step 6: Final answer
    x = 12,952.15

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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.