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Finding the Fourth Proportional to 7,794.57, 11,691.86 and 1,951.18

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Solution

The fourth proportional to 7,794.57, 11,691.86 and 1,951.18 is: 2,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.57 : 11,691.86 = 1,951.18 : x
  2. Step 2: Convert to fraction form
    7,794.57/11,691.86 = 1,951.18/x
  3. Step 3: Cross multiply
    7,794.57x = 11,691.86 × 1,951.18
  4. Step 4: Simplify right side
    7,794.57x = 22,812,923.39
  5. Step 5: Solve for x
    x = 22,812,923.39/7,794.57
  6. Step 6: Final answer
    x = 2,926.77

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Double scale
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Similar ratio
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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.