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Finding the Fourth Proportional to 57,240.52, 85,869.99 and 27,660.53

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Solution

The fourth proportional to 57,240.52, 85,869.99 and 27,660.53 is: 41,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.52 : 85,869.99 = 27,660.53 : x
  2. Step 2: Convert to fraction form
    57,240.52/85,869.99 = 27,660.53/x
  3. Step 3: Cross multiply
    57,240.52x = 85,869.99 × 27,660.53
  4. Step 4: Simplify right side
    57,240.52x = 2,375,209,434.49
  5. Step 5: Solve for x
    x = 2,375,209,434.49/57,240.52
  6. Step 6: Final answer
    x = 41,495.25

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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.