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Finding the Fourth Proportional to 6,663.44, 9,198.24 and 4,013.12

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Solution

The fourth proportional to 6,663.44, 9,198.24 and 4,013.12 is: 5,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.44 : 9,198.24 = 4,013.12 : x
  2. Step 2: Convert to fraction form
    6,663.44/9,198.24 = 4,013.12/x
  3. Step 3: Cross multiply
    6,663.44x = 9,198.24 × 4,013.12
  4. Step 4: Simplify right side
    6,663.44x = 36,913,640.91
  5. Step 5: Solve for x
    x = 36,913,640.91/6,663.44
  6. Step 6: Final answer
    x = 5,539.73

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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.