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Finding the Fourth Proportional to 7,244.70, 10,867.05 and 5,786.70

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Solution

The fourth proportional to 7,244.70, 10,867.05 and 5,786.70 is: 8,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.70 : 10,867.05 = 5,786.70 : x
  2. Step 2: Convert to fraction form
    7,244.70/10,867.05 = 5,786.70/x
  3. Step 3: Cross multiply
    7,244.70x = 10,867.05 × 5,786.70
  4. Step 4: Simplify right side
    7,244.70x = 62,884,358.24
  5. Step 5: Solve for x
    x = 62,884,358.24/7,244.70
  6. Step 6: Final answer
    x = 8,680.05

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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.