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Finding the Fourth Proportional to 9,992.95, 13,781.36 and 6,452.44

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Solution

The fourth proportional to 9,992.95, 13,781.36 and 6,452.44 is: 8,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.95 : 13,781.36 = 6,452.44 : x
  2. Step 2: Convert to fraction form
    9,992.95/13,781.36 = 6,452.44/x
  3. Step 3: Cross multiply
    9,992.95x = 13,781.36 × 6,452.44
  4. Step 4: Simplify right side
    9,992.95x = 88,923,380.20
  5. Step 5: Solve for x
    x = 88,923,380.20/9,992.95
  6. Step 6: Final answer
    x = 8,898.61

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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.