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Finding the Fourth Proportional to 59,449.68, 89,174.52 and 15,079.77

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Solution

The fourth proportional to 59,449.68, 89,174.52 and 15,079.77 is: 22,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,449.68 : 89,174.52 = 15,079.77 : x
  2. Step 2: Convert to fraction form
    59,449.68/89,174.52 = 15,079.77/x
  3. Step 3: Cross multiply
    59,449.68x = 89,174.52 × 15,079.77
  4. Step 4: Simplify right side
    59,449.68x = 1,344,731,251.46
  5. Step 5: Solve for x
    x = 1,344,731,251.46/59,449.68
  6. Step 6: Final answer
    x = 22,619.66

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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.