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Finding the Fourth Proportional to 59,889.47, 89,789.09 and 36,191.97

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Solution

The fourth proportional to 59,889.47, 89,789.09 and 36,191.97 is: 54,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889.47 : 89,789.09 = 36,191.97 : x
  2. Step 2: Convert to fraction form
    59,889.47/89,789.09 = 36,191.97/x
  3. Step 3: Cross multiply
    59,889.47x = 89,789.09 × 36,191.97
  4. Step 4: Simplify right side
    59,889.47x = 3,249,643,870.65
  5. Step 5: Solve for x
    x = 3,249,643,870.65/59,889.47
  6. Step 6: Final answer
    x = 54,260.69

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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.