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Finding the Fourth Proportional to 62,540.76, 86,304.58 and 35,682.78

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Solution

The fourth proportional to 62,540.76, 86,304.58 and 35,682.78 is: 49,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,540.76 : 86,304.58 = 35,682.78 : x
  2. Step 2: Convert to fraction form
    62,540.76/86,304.58 = 35,682.78/x
  3. Step 3: Cross multiply
    62,540.76x = 86,304.58 × 35,682.78
  4. Step 4: Simplify right side
    62,540.76x = 3,079,587,251.93
  5. Step 5: Solve for x
    x = 3,079,587,251.93/62,540.76
  6. Step 6: Final answer
    x = 49,241.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.