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Finding the Fourth Proportional to 6,690.97, 9,234.93 and 4,452.94

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Solution

The fourth proportional to 6,690.97, 9,234.93 and 4,452.94 is: 6,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.97 : 9,234.93 = 4,452.94 : x
  2. Step 2: Convert to fraction form
    6,690.97/9,234.93 = 4,452.94/x
  3. Step 3: Cross multiply
    6,690.97x = 9,234.93 × 4,452.94
  4. Step 4: Simplify right side
    6,690.97x = 41,122,589.19
  5. Step 5: Solve for x
    x = 41,122,589.19/6,690.97
  6. Step 6: Final answer
    x = 6,145.98

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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.