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Finding the Fourth Proportional to 2,524.87, 3,787.16 and 943.28

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Solution

The fourth proportional to 2,524.87, 3,787.16 and 943.28 is: 1,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.87 : 3,787.16 = 943.28 : x
  2. Step 2: Convert to fraction form
    2,524.87/3,787.16 = 943.28/x
  3. Step 3: Cross multiply
    2,524.87x = 3,787.16 × 943.28
  4. Step 4: Simplify right side
    2,524.87x = 3,572,342.83
  5. Step 5: Solve for x
    x = 3,572,342.83/2,524.87
  6. Step 6: Final answer
    x = 1,414.86

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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.