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Finding the Fourth Proportional to 2,474.80, 3,712.20 and 2,368.15

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Solution

The fourth proportional to 2,474.80, 3,712.20 and 2,368.15 is: 3,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.80 : 3,712.20 = 2,368.15 : x
  2. Step 2: Convert to fraction form
    2,474.80/3,712.20 = 2,368.15/x
  3. Step 3: Cross multiply
    2,474.80x = 3,712.20 × 2,368.15
  4. Step 4: Simplify right side
    2,474.80x = 8,791,046.43
  5. Step 5: Solve for x
    x = 8,791,046.43/2,474.80
  6. Step 6: Final answer
    x = 3,552.23

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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.