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Finding the Fourth Proportional to 6,874.40, 10,250.31 and 6,335.85

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Solution

The fourth proportional to 6,874.40, 10,250.31 and 6,335.85 is: 9,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.40 : 10,250.31 = 6,335.85 : x
  2. Step 2: Convert to fraction form
    6,874.40/10,250.31 = 6,335.85/x
  3. Step 3: Cross multiply
    6,874.40x = 10,250.31 × 6,335.85
  4. Step 4: Simplify right side
    6,874.40x = 64,944,488.81
  5. Step 5: Solve for x
    x = 64,944,488.81/6,874.40
  6. Step 6: Final answer
    x = 9,447.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.