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Finding the Fourth Proportional to 9,060.11, 12,489.82 and 6,363.11

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Solution

The fourth proportional to 9,060.11, 12,489.82 and 6,363.11 is: 8,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.11 : 12,489.82 = 6,363.11 : x
  2. Step 2: Convert to fraction form
    9,060.11/12,489.82 = 6,363.11/x
  3. Step 3: Cross multiply
    9,060.11x = 12,489.82 × 6,363.11
  4. Step 4: Simplify right side
    9,060.11x = 79,474,098.54
  5. Step 5: Solve for x
    x = 79,474,098.54/9,060.11
  6. Step 6: Final answer
    x = 8,771.87

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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.