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Finding the Fourth Proportional to 57,486.59, 86,251.26 and 25,887.14

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Solution

The fourth proportional to 57,486.59, 86,251.26 and 25,887.14 is: 38,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486.59 : 86,251.26 = 25,887.14 : x
  2. Step 2: Convert to fraction form
    57,486.59/86,251.26 = 25,887.14/x
  3. Step 3: Cross multiply
    57,486.59x = 86,251.26 × 25,887.14
  4. Step 4: Simplify right side
    57,486.59x = 2,232,798,442.80
  5. Step 5: Solve for x
    x = 2,232,798,442.80/57,486.59
  6. Step 6: Final answer
    x = 38,840.34

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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.