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Finding the Fourth Proportional to 57,266.10, 85,917.03 and 25,702.62

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Solution

The fourth proportional to 57,266.10, 85,917.03 and 25,702.62 is: 38,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.10 : 85,917.03 = 25,702.62 : x
  2. Step 2: Convert to fraction form
    57,266.10/85,917.03 = 25,702.62/x
  3. Step 3: Cross multiply
    57,266.10x = 85,917.03 × 25,702.62
  4. Step 4: Simplify right side
    57,266.10x = 2,208,292,773.62
  5. Step 5: Solve for x
    x = 2,208,292,773.62/57,266.10
  6. Step 6: Final answer
    x = 38,561.96

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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.