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Finding the Fourth Proportional to 39,452.70, 59,168.79 and 15,759.30

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Solution

The fourth proportional to 39,452.70, 59,168.79 and 15,759.30 is: 23,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,452.70 : 59,168.79 = 15,759.30 : x
  2. Step 2: Convert to fraction form
    39,452.70/59,168.79 = 15,759.30/x
  3. Step 3: Cross multiply
    39,452.70x = 59,168.79 × 15,759.30
  4. Step 4: Simplify right side
    39,452.70x = 932,458,712.25
  5. Step 5: Solve for x
    x = 932,458,712.25/39,452.70
  6. Step 6: Final answer
    x = 23,634.85

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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.