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Finding the Fourth Proportional to 6,658.60, 9,191.82 and 4,301.89

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Solution

The fourth proportional to 6,658.60, 9,191.82 and 4,301.89 is: 5,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.60 : 9,191.82 = 4,301.89 : x
  2. Step 2: Convert to fraction form
    6,658.60/9,191.82 = 4,301.89/x
  3. Step 3: Cross multiply
    6,658.60x = 9,191.82 × 4,301.89
  4. Step 4: Simplify right side
    6,658.60x = 39,542,198.54
  5. Step 5: Solve for x
    x = 39,542,198.54/6,658.60
  6. Step 6: Final answer
    x = 5,938.52

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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.