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Finding the Fourth Proportional to 57,404.60, 86,082.60 and 17,951.12

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Solution

The fourth proportional to 57,404.60, 86,082.60 and 17,951.12 is: 26,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.60 : 86,082.60 = 17,951.12 : x
  2. Step 2: Convert to fraction form
    57,404.60/86,082.60 = 17,951.12/x
  3. Step 3: Cross multiply
    57,404.60x = 86,082.60 × 17,951.12
  4. Step 4: Simplify right side
    57,404.60x = 1,545,279,082.51
  5. Step 5: Solve for x
    x = 1,545,279,082.51/57,404.60
  6. Step 6: Final answer
    x = 26,919.08

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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.