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Finding the Fourth Proportional to 6,998.86, 9,658.26 and 4,016.44

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Solution

The fourth proportional to 6,998.86, 9,658.26 and 4,016.44 is: 5,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.86 : 9,658.26 = 4,016.44 : x
  2. Step 2: Convert to fraction form
    6,998.86/9,658.26 = 4,016.44/x
  3. Step 3: Cross multiply
    6,998.86x = 9,658.26 × 4,016.44
  4. Step 4: Simplify right side
    6,998.86x = 38,791,821.79
  5. Step 5: Solve for x
    x = 38,791,821.79/6,998.86
  6. Step 6: Final answer
    x = 5,542.59

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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.