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Finding the Fourth Proportional to 57,287.04, 85,896.04 and 25,691.38

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Solution

The fourth proportional to 57,287.04, 85,896.04 and 25,691.38 is: 38,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,287.04 : 85,896.04 = 25,691.38 : x
  2. Step 2: Convert to fraction form
    57,287.04/85,896.04 = 25,691.38/x
  3. Step 3: Cross multiply
    57,287.04x = 85,896.04 × 25,691.38
  4. Step 4: Simplify right side
    57,287.04x = 2,206,787,804.14
  5. Step 5: Solve for x
    x = 2,206,787,804.14/57,287.04
  6. Step 6: Final answer
    x = 38,521.59

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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.