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Finding the Fourth Proportional to 59,882.56, 89,813.60 and 17,761.68

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Solution

The fourth proportional to 59,882.56, 89,813.60 and 17,761.68 is: 26,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,882.56 : 89,813.60 = 17,761.68 : x
  2. Step 2: Convert to fraction form
    59,882.56/89,813.60 = 17,761.68/x
  3. Step 3: Cross multiply
    59,882.56x = 89,813.60 × 17,761.68
  4. Step 4: Simplify right side
    59,882.56x = 1,595,240,422.85
  5. Step 5: Solve for x
    x = 1,595,240,422.85/59,882.56
  6. Step 6: Final answer
    x = 26,639.48

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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.