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Finding the Fourth Proportional to 6,853.72, 10,281.10 and 2,691.72

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Solution

The fourth proportional to 6,853.72, 10,281.10 and 2,691.72 is: 4,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.72 : 10,281.10 = 2,691.72 : x
  2. Step 2: Convert to fraction form
    6,853.72/10,281.10 = 2,691.72/x
  3. Step 3: Cross multiply
    6,853.72x = 10,281.10 × 2,691.72
  4. Step 4: Simplify right side
    6,853.72x = 27,673,842.49
  5. Step 5: Solve for x
    x = 27,673,842.49/6,853.72
  6. Step 6: Final answer
    x = 4,037.78

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1.5x scale

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.