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Finding the Fourth Proportional to 6,375.71, 8,798.36 and 3,542.97

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Solution

The fourth proportional to 6,375.71, 8,798.36 and 3,542.97 is: 4,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.71 : 8,798.36 = 3,542.97 : x
  2. Step 2: Convert to fraction form
    6,375.71/8,798.36 = 3,542.97/x
  3. Step 3: Cross multiply
    6,375.71x = 8,798.36 × 3,542.97
  4. Step 4: Simplify right side
    6,375.71x = 31,172,325.53
  5. Step 5: Solve for x
    x = 31,172,325.53/6,375.71
  6. Step 6: Final answer
    x = 4,889.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.