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Finding the Fourth Proportional to 59,978.65, 89,964.90 and 22,535.85

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Solution

The fourth proportional to 59,978.65, 89,964.90 and 22,535.85 is: 33,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,978.65 : 89,964.90 = 22,535.85 : x
  2. Step 2: Convert to fraction form
    59,978.65/89,964.90 = 22,535.85/x
  3. Step 3: Cross multiply
    59,978.65x = 89,964.90 × 22,535.85
  4. Step 4: Simplify right side
    59,978.65x = 2,027,435,133.34
  5. Step 5: Solve for x
    x = 2,027,435,133.34/59,978.65
  6. Step 6: Final answer
    x = 33,802.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.