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Finding the Fourth Proportional to 63,247.64, 87,278.31 and 34,951.50

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Solution

The fourth proportional to 63,247.64, 87,278.31 and 34,951.50 is: 48,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,247.64 : 87,278.31 = 34,951.50 : x
  2. Step 2: Convert to fraction form
    63,247.64/87,278.31 = 34,951.50/x
  3. Step 3: Cross multiply
    63,247.64x = 87,278.31 × 34,951.50
  4. Step 4: Simplify right side
    63,247.64x = 3,050,507,851.97
  5. Step 5: Solve for x
    x = 3,050,507,851.97/63,247.64
  6. Step 6: Final answer
    x = 48,231.18

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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.