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Finding the Fourth Proportional to 2,375.46, 3,563.15 and 644.04

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Solution

The fourth proportional to 2,375.46, 3,563.15 and 644.04 is: 966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.46 : 3,563.15 = 644.04 : x
  2. Step 2: Convert to fraction form
    2,375.46/3,563.15 = 644.04/x
  3. Step 3: Cross multiply
    2,375.46x = 3,563.15 × 644.04
  4. Step 4: Simplify right side
    2,375.46x = 2,294,807.91
  5. Step 5: Solve for x
    x = 2,294,807.91/2,375.46
  6. Step 6: Final answer
    x = 966.05

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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.