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Finding the Fourth Proportional to 10,244.39, 15,373.88 and 7,906.73

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Solution

The fourth proportional to 10,244.39, 15,373.88 and 7,906.73 is: 11,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.39 : 15,373.88 = 7,906.73 : x
  2. Step 2: Convert to fraction form
    10,244.39/15,373.88 = 7,906.73/x
  3. Step 3: Cross multiply
    10,244.39x = 15,373.88 × 7,906.73
  4. Step 4: Simplify right side
    10,244.39x = 121,557,118.21
  5. Step 5: Solve for x
    x = 121,557,118.21/10,244.39
  6. Step 6: Final answer
    x = 11,865.73

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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.