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Finding the Fourth Proportional to 2,414.61, 3,622.13 and 683.24

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Solution

The fourth proportional to 2,414.61, 3,622.13 and 683.24 is: 1,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.61 : 3,622.13 = 683.24 : x
  2. Step 2: Convert to fraction form
    2,414.61/3,622.13 = 683.24/x
  3. Step 3: Cross multiply
    2,414.61x = 3,622.13 × 683.24
  4. Step 4: Simplify right side
    2,414.61x = 2,474,762.57
  5. Step 5: Solve for x
    x = 2,474,762.57/2,414.61
  6. Step 6: Final answer
    x = 1,024.91

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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.