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Finding the Fourth Proportional to 57,237.52, 85,865.49 and 27,657.53

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Solution

The fourth proportional to 57,237.52, 85,865.49 and 27,657.53 is: 41,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237.52 : 85,865.49 = 27,657.53 : x
  2. Step 2: Convert to fraction form
    57,237.52/85,865.49 = 27,657.53/x
  3. Step 3: Cross multiply
    57,237.52x = 85,865.49 × 27,657.53
  4. Step 4: Simplify right side
    57,237.52x = 2,374,827,365.64
  5. Step 5: Solve for x
    x = 2,374,827,365.64/57,237.52
  6. Step 6: Final answer
    x = 41,490.75

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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.