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Finding the Fourth Proportional to 63,885.38, 88,158.15 and 36,655.70

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Solution

The fourth proportional to 63,885.38, 88,158.15 and 36,655.70 is: 50,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,885.38 : 88,158.15 = 36,655.70 : x
  2. Step 2: Convert to fraction form
    63,885.38/88,158.15 = 36,655.70/x
  3. Step 3: Cross multiply
    63,885.38x = 88,158.15 × 36,655.70
  4. Step 4: Simplify right side
    63,885.38x = 3,231,498,258.16
  5. Step 5: Solve for x
    x = 3,231,498,258.16/63,885.38
  6. Step 6: Final answer
    x = 50,582.75

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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.