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Finding the Fourth Proportional to 59,388.52, 89,074.52 and 15,012.58

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Solution

The fourth proportional to 59,388.52, 89,074.52 and 15,012.58 is: 22,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,388.52 : 89,074.52 = 15,012.58 : x
  2. Step 2: Convert to fraction form
    59,388.52/89,074.52 = 15,012.58/x
  3. Step 3: Cross multiply
    59,388.52x = 89,074.52 × 15,012.58
  4. Step 4: Simplify right side
    59,388.52x = 1,337,238,357.46
  5. Step 5: Solve for x
    x = 1,337,238,357.46/59,388.52
  6. Step 6: Final answer
    x = 22,516.78

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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.