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Finding the Fourth Proportional to 57,158.68, 85,707.78 and 22,063

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Solution

The fourth proportional to 57,158.68, 85,707.78 and 22,063 is: 33,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.68 : 85,707.78 = 22,063 : x
  2. Step 2: Convert to fraction form
    57,158.68/85,707.78 = 22,063/x
  3. Step 3: Cross multiply
    57,158.68x = 85,707.78 × 22,063
  4. Step 4: Simplify right side
    57,158.68x = 1,890,970,750.14
  5. Step 5: Solve for x
    x = 1,890,970,750.14/57,158.68
  6. Step 6: Final answer
    x = 33,082.83

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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.