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Finding the Fourth Proportional to 3,773.80, 5,647.56 and 2,882.80

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Solution

The fourth proportional to 3,773.80, 5,647.56 and 2,882.80 is: 4,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.80 : 5,647.56 = 2,882.80 : x
  2. Step 2: Convert to fraction form
    3,773.80/5,647.56 = 2,882.80/x
  3. Step 3: Cross multiply
    3,773.80x = 5,647.56 × 2,882.80
  4. Step 4: Simplify right side
    3,773.80x = 16,280,785.97
  5. Step 5: Solve for x
    x = 16,280,785.97/3,773.80
  6. Step 6: Final answer
    x = 4,314.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.