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Finding the Fourth Proportional to 3,807.70, 5,722.32 and 2,248.44

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Solution

The fourth proportional to 3,807.70, 5,722.32 and 2,248.44 is: 3,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.70 : 5,722.32 = 2,248.44 : x
  2. Step 2: Convert to fraction form
    3,807.70/5,722.32 = 2,248.44/x
  3. Step 3: Cross multiply
    3,807.70x = 5,722.32 × 2,248.44
  4. Step 4: Simplify right side
    3,807.70x = 12,866,293.18
  5. Step 5: Solve for x
    x = 12,866,293.18/3,807.70
  6. Step 6: Final answer
    x = 3,379.02

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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.