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Finding the Fourth Proportional to 48,792.88, 67,338.84 and 29,671.21

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Solution

The fourth proportional to 48,792.88, 67,338.84 and 29,671.21 is: 40,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,792.88 : 67,338.84 = 29,671.21 : x
  2. Step 2: Convert to fraction form
    48,792.88/67,338.84 = 29,671.21/x
  3. Step 3: Cross multiply
    48,792.88x = 67,338.84 × 29,671.21
  4. Step 4: Simplify right side
    48,792.88x = 1,998,024,862.80
  5. Step 5: Solve for x
    x = 1,998,024,862.80/48,792.88
  6. Step 6: Final answer
    x = 40,949.11

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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.