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Finding the Fourth Proportional to 75,419.60, 113,082.88 and 25,494.96

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Solution

The fourth proportional to 75,419.60, 113,082.88 and 25,494.96 is: 38,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.60 : 113,082.88 = 25,494.96 : x
  2. Step 2: Convert to fraction form
    75,419.60/113,082.88 = 25,494.96/x
  3. Step 3: Cross multiply
    75,419.60x = 113,082.88 × 25,494.96
  4. Step 4: Simplify right side
    75,419.60x = 2,883,043,502.28
  5. Step 5: Solve for x
    x = 2,883,043,502.28/75,419.60
  6. Step 6: Final answer
    x = 38,226.71

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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.