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Finding the Fourth Proportional to 18,200.81, 27,301.22 and 5,053.17

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Solution

The fourth proportional to 18,200.81, 27,301.22 and 5,053.17 is: 7,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.81 : 27,301.22 = 5,053.17 : x
  2. Step 2: Convert to fraction form
    18,200.81/27,301.22 = 5,053.17/x
  3. Step 3: Cross multiply
    18,200.81x = 27,301.22 × 5,053.17
  4. Step 4: Simplify right side
    18,200.81x = 137,957,680.60
  5. Step 5: Solve for x
    x = 137,957,680.60/18,200.81
  6. Step 6: Final answer
    x = 7,579.76

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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.