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Finding the Fourth Proportional to 6,874.82, 9,487.51 and 3,808.73

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Solution

The fourth proportional to 6,874.82, 9,487.51 and 3,808.73 is: 5,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.82 : 9,487.51 = 3,808.73 : x
  2. Step 2: Convert to fraction form
    6,874.82/9,487.51 = 3,808.73/x
  3. Step 3: Cross multiply
    6,874.82x = 9,487.51 × 3,808.73
  4. Step 4: Simplify right side
    6,874.82x = 36,135,378.16
  5. Step 5: Solve for x
    x = 36,135,378.16/6,874.82
  6. Step 6: Final answer
    x = 5,256.20

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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.