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Finding the Fourth Proportional to 63,912.39, 88,197.87 and 37,057.38

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Solution

The fourth proportional to 63,912.39, 88,197.87 and 37,057.38 is: 51,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,912.39 : 88,197.87 = 37,057.38 : x
  2. Step 2: Convert to fraction form
    63,912.39/88,197.87 = 37,057.38/x
  3. Step 3: Cross multiply
    63,912.39x = 88,197.87 × 37,057.38
  4. Step 4: Simplify right side
    63,912.39x = 3,268,381,983.78
  5. Step 5: Solve for x
    x = 3,268,381,983.78/63,912.39
  6. Step 6: Final answer
    x = 51,138.47

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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.