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Finding the Fourth Proportional to 3,324.74, 4,984.14 and 1,375.70

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Solution

The fourth proportional to 3,324.74, 4,984.14 and 1,375.70 is: 2,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.74 : 4,984.14 = 1,375.70 : x
  2. Step 2: Convert to fraction form
    3,324.74/4,984.14 = 1,375.70/x
  3. Step 3: Cross multiply
    3,324.74x = 4,984.14 × 1,375.70
  4. Step 4: Simplify right side
    3,324.74x = 6,856,681.40
  5. Step 5: Solve for x
    x = 6,856,681.40/3,324.74
  6. Step 6: Final answer
    x = 2,062.32

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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.