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Finding the Fourth Proportional to 57,888.72, 86,836.44 and 22,350.21

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Solution

The fourth proportional to 57,888.72, 86,836.44 and 22,350.21 is: 33,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.72 : 86,836.44 = 22,350.21 : x
  2. Step 2: Convert to fraction form
    57,888.72/86,836.44 = 22,350.21/x
  3. Step 3: Cross multiply
    57,888.72x = 86,836.44 × 22,350.21
  4. Step 4: Simplify right side
    57,888.72x = 1,940,812,669.65
  5. Step 5: Solve for x
    x = 1,940,812,669.65/57,888.72
  6. Step 6: Final answer
    x = 33,526.61

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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.