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Finding the Fourth Proportional to 57,963.18, 86,894.47 and 25,917.91

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Solution

The fourth proportional to 57,963.18, 86,894.47 and 25,917.91 is: 38,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.18 : 86,894.47 = 25,917.91 : x
  2. Step 2: Convert to fraction form
    57,963.18/86,894.47 = 25,917.91/x
  3. Step 3: Cross multiply
    57,963.18x = 86,894.47 × 25,917.91
  4. Step 4: Simplify right side
    57,963.18x = 2,252,123,052.96
  5. Step 5: Solve for x
    x = 2,252,123,052.96/57,963.18
  6. Step 6: Final answer
    x = 38,854.37

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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.