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Finding the Fourth Proportional to 6,663.67, 9,984.56 and 2,278.73

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Solution

The fourth proportional to 6,663.67, 9,984.56 and 2,278.73 is: 3,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.67 : 9,984.56 = 2,278.73 : x
  2. Step 2: Convert to fraction form
    6,663.67/9,984.56 = 2,278.73/x
  3. Step 3: Cross multiply
    6,663.67x = 9,984.56 × 2,278.73
  4. Step 4: Simplify right side
    6,663.67x = 22,752,116.41
  5. Step 5: Solve for x
    x = 22,752,116.41/6,663.67
  6. Step 6: Final answer
    x = 3,414.35

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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.