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Finding the Fourth Proportional to 5,672.70, 8,504.46 and 2,551.10

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Solution

The fourth proportional to 5,672.70, 8,504.46 and 2,551.10 is: 3,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.70 : 8,504.46 = 2,551.10 : x
  2. Step 2: Convert to fraction form
    5,672.70/8,504.46 = 2,551.10/x
  3. Step 3: Cross multiply
    5,672.70x = 8,504.46 × 2,551.10
  4. Step 4: Simplify right side
    5,672.70x = 21,695,685.38
  5. Step 5: Solve for x
    x = 21,695,685.38/5,672.70
  6. Step 6: Final answer
    x = 3,824.58

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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.