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Finding the Fourth Proportional to 7,930.97, 10,944.72 and 4,394.17

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Solution

The fourth proportional to 7,930.97, 10,944.72 and 4,394.17 is: 6,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.97 : 10,944.72 = 4,394.17 : x
  2. Step 2: Convert to fraction form
    7,930.97/10,944.72 = 4,394.17/x
  3. Step 3: Cross multiply
    7,930.97x = 10,944.72 × 4,394.17
  4. Step 4: Simplify right side
    7,930.97x = 48,092,960.28
  5. Step 5: Solve for x
    x = 48,092,960.28/7,930.97
  6. Step 6: Final answer
    x = 6,063.94

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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.