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Finding the Fourth Proportional to 8,914.80, 13,372.24 and 3,366.66

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Solution

The fourth proportional to 8,914.80, 13,372.24 and 3,366.66 is: 5,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.80 : 13,372.24 = 3,366.66 : x
  2. Step 2: Convert to fraction form
    8,914.80/13,372.24 = 3,366.66/x
  3. Step 3: Cross multiply
    8,914.80x = 13,372.24 × 3,366.66
  4. Step 4: Simplify right side
    8,914.80x = 45,019,785.52
  5. Step 5: Solve for x
    x = 45,019,785.52/8,914.80
  6. Step 6: Final answer
    x = 5,050.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.