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Finding the Fourth Proportional to 57,046.52, 85,569.60 and 15,493.52

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Solution

The fourth proportional to 57,046.52, 85,569.60 and 15,493.52 is: 23,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.52 : 85,569.60 = 15,493.52 : x
  2. Step 2: Convert to fraction form
    57,046.52/85,569.60 = 15,493.52/x
  3. Step 3: Cross multiply
    57,046.52x = 85,569.60 × 15,493.52
  4. Step 4: Simplify right side
    57,046.52x = 1,325,774,308.99
  5. Step 5: Solve for x
    x = 1,325,774,308.99/57,046.52
  6. Step 6: Final answer
    x = 23,240.23

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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.