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Finding the Fourth Proportional to 20,034.39, 30,049.29 and 5,244.74

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Solution

The fourth proportional to 20,034.39, 30,049.29 and 5,244.74 is: 7,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.39 : 30,049.29 = 5,244.74 : x
  2. Step 2: Convert to fraction form
    20,034.39/30,049.29 = 5,244.74/x
  3. Step 3: Cross multiply
    20,034.39x = 30,049.29 × 5,244.74
  4. Step 4: Simplify right side
    20,034.39x = 157,600,562.99
  5. Step 5: Solve for x
    x = 157,600,562.99/20,034.39
  6. Step 6: Final answer
    x = 7,866.50

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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.