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Finding the Fourth Proportional to 63,671.75, 87,867.03 and 35,377.44

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Solution

The fourth proportional to 63,671.75, 87,867.03 and 35,377.44 is: 48,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.75 : 87,867.03 = 35,377.44 : x
  2. Step 2: Convert to fraction form
    63,671.75/87,867.03 = 35,377.44/x
  3. Step 3: Cross multiply
    63,671.75x = 87,867.03 × 35,377.44
  4. Step 4: Simplify right side
    63,671.75x = 3,108,510,142.47
  5. Step 5: Solve for x
    x = 3,108,510,142.47/63,671.75
  6. Step 6: Final answer
    x = 48,820.87

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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.