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Finding the Fourth Proportional to 8,908.92, 13,366.62 and 5,448.60

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Solution

The fourth proportional to 8,908.92, 13,366.62 and 5,448.60 is: 8,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.92 : 13,366.62 = 5,448.60 : x
  2. Step 2: Convert to fraction form
    8,908.92/13,366.62 = 5,448.60/x
  3. Step 3: Cross multiply
    8,908.92x = 13,366.62 × 5,448.60
  4. Step 4: Simplify right side
    8,908.92x = 72,829,365.73
  5. Step 5: Solve for x
    x = 72,829,365.73/8,908.92
  6. Step 6: Final answer
    x = 8,174.88

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1.5x scale

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.