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Finding the Fourth Proportional to 6,908.83, 9,531.48 and 4,251.62

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Solution

The fourth proportional to 6,908.83, 9,531.48 and 4,251.62 is: 5,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.83 : 9,531.48 = 4,251.62 : x
  2. Step 2: Convert to fraction form
    6,908.83/9,531.48 = 4,251.62/x
  3. Step 3: Cross multiply
    6,908.83x = 9,531.48 × 4,251.62
  4. Step 4: Simplify right side
    6,908.83x = 40,524,264.73
  5. Step 5: Solve for x
    x = 40,524,264.73/6,908.83
  6. Step 6: Final answer
    x = 5,865.58

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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.