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Finding the Fourth Proportional to 7,951.39, 11,928.20 and 2,404.11

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Solution

The fourth proportional to 7,951.39, 11,928.20 and 2,404.11 is: 3,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.39 : 11,928.20 = 2,404.11 : x
  2. Step 2: Convert to fraction form
    7,951.39/11,928.20 = 2,404.11/x
  3. Step 3: Cross multiply
    7,951.39x = 11,928.20 × 2,404.11
  4. Step 4: Simplify right side
    7,951.39x = 28,676,704.90
  5. Step 5: Solve for x
    x = 28,676,704.90/7,951.39
  6. Step 6: Final answer
    x = 3,606.50

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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.