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Finding the Fourth Proportional to 7,308.92, 10,963.38 and 5,857.22

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Solution

The fourth proportional to 7,308.92, 10,963.38 and 5,857.22 is: 8,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.92 : 10,963.38 = 5,857.22 : x
  2. Step 2: Convert to fraction form
    7,308.92/10,963.38 = 5,857.22/x
  3. Step 3: Cross multiply
    7,308.92x = 10,963.38 × 5,857.22
  4. Step 4: Simplify right side
    7,308.92x = 64,214,928.60
  5. Step 5: Solve for x
    x = 64,214,928.60/7,308.92
  6. Step 6: Final answer
    x = 8,785.83

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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.