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Finding the Fourth Proportional to 22,600.13, 33,900.19 and 8,749.13

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Solution

The fourth proportional to 22,600.13, 33,900.19 and 8,749.13 is: 13,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.13 : 33,900.19 = 8,749.13 : x
  2. Step 2: Convert to fraction form
    22,600.13/33,900.19 = 8,749.13/x
  3. Step 3: Cross multiply
    22,600.13x = 33,900.19 × 8,749.13
  4. Step 4: Simplify right side
    22,600.13x = 296,596,977.96
  5. Step 5: Solve for x
    x = 296,596,977.96/22,600.13
  6. Step 6: Final answer
    x = 13,123.69

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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.