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Finding the Fourth Proportional to 8,544.96, 12,747.78 and 8,327.88

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Solution

The fourth proportional to 8,544.96, 12,747.78 and 8,327.88 is: 12,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.96 : 12,747.78 = 8,327.88 : x
  2. Step 2: Convert to fraction form
    8,544.96/12,747.78 = 8,327.88/x
  3. Step 3: Cross multiply
    8,544.96x = 12,747.78 × 8,327.88
  4. Step 4: Simplify right side
    8,544.96x = 106,161,982.11
  5. Step 5: Solve for x
    x = 106,161,982.11/8,544.96
  6. Step 6: Final answer
    x = 12,423.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.