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Finding the Fourth Proportional to 57,092.60, 85,631.34 and 25,920.68

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Solution

The fourth proportional to 57,092.60, 85,631.34 and 25,920.68 is: 38,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092.60 : 85,631.34 = 25,920.68 : x
  2. Step 2: Convert to fraction form
    57,092.60/85,631.34 = 25,920.68/x
  3. Step 3: Cross multiply
    57,092.60x = 85,631.34 × 25,920.68
  4. Step 4: Simplify right side
    57,092.60x = 2,219,622,562.11
  5. Step 5: Solve for x
    x = 2,219,622,562.11/57,092.60
  6. Step 6: Final answer
    x = 38,877.59

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1.5x scale

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.