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Finding the Fourth Proportional to 59,761.65, 89,642.54 and 15,388.50

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Solution

The fourth proportional to 59,761.65, 89,642.54 and 15,388.50 is: 23,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,761.65 : 89,642.54 = 15,388.50 : x
  2. Step 2: Convert to fraction form
    59,761.65/89,642.54 = 15,388.50/x
  3. Step 3: Cross multiply
    59,761.65x = 89,642.54 × 15,388.50
  4. Step 4: Simplify right side
    59,761.65x = 1,379,464,149.85
  5. Step 5: Solve for x
    x = 1,379,464,149.85/59,761.65
  6. Step 6: Final answer
    x = 23,082.77

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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.