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Finding the Fourth Proportional to 63,671.87, 87,867.20 and 35,377.56

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Solution

The fourth proportional to 63,671.87, 87,867.20 and 35,377.56 is: 48,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.87 : 87,867.20 = 35,377.56 : x
  2. Step 2: Convert to fraction form
    63,671.87/87,867.20 = 35,377.56/x
  3. Step 3: Cross multiply
    63,671.87x = 87,867.20 × 35,377.56
  4. Step 4: Simplify right side
    63,671.87x = 3,108,527,228.48
  5. Step 5: Solve for x
    x = 3,108,527,228.48/63,671.87
  6. Step 6: Final answer
    x = 48,821.04

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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.