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Finding the Fourth Proportional to 59,672.41, 89,508.61 and 28,412.89

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Solution

The fourth proportional to 59,672.41, 89,508.61 and 28,412.89 is: 42,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,672.41 : 89,508.61 = 28,412.89 : x
  2. Step 2: Convert to fraction form
    59,672.41/89,508.61 = 28,412.89/x
  3. Step 3: Cross multiply
    59,672.41x = 89,508.61 × 28,412.89
  4. Step 4: Simplify right side
    59,672.41x = 2,543,198,289.98
  5. Step 5: Solve for x
    x = 2,543,198,289.98/59,672.41
  6. Step 6: Final answer
    x = 42,619.33

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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.