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Finding the Fourth Proportional to 75,693.52, 113,469.68 and 25,739.48

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Solution

The fourth proportional to 75,693.52, 113,469.68 and 25,739.48 is: 38,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,693.52 : 113,469.68 = 25,739.48 : x
  2. Step 2: Convert to fraction form
    75,693.52/113,469.68 = 25,739.48/x
  3. Step 3: Cross multiply
    75,693.52x = 113,469.68 × 25,739.48
  4. Step 4: Simplify right side
    75,693.52x = 2,920,650,558.97
  5. Step 5: Solve for x
    x = 2,920,650,558.97/75,693.52
  6. Step 6: Final answer
    x = 38,585.21

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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.