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Finding the Fourth Proportional to 57,655.04, 86,219.04 and 41,912.96

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Solution

The fourth proportional to 57,655.04, 86,219.04 and 41,912.96 is: 62,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,655.04 : 86,219.04 = 41,912.96 : x
  2. Step 2: Convert to fraction form
    57,655.04/86,219.04 = 41,912.96/x
  3. Step 3: Cross multiply
    57,655.04x = 86,219.04 × 41,912.96
  4. Step 4: Simplify right side
    57,655.04x = 3,613,695,174.76
  5. Step 5: Solve for x
    x = 3,613,695,174.76/57,655.04
  6. Step 6: Final answer
    x = 62,677.87

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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.