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Finding the Fourth Proportional to 8,013.70, 12,022.02 and 2,748.46

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Solution

The fourth proportional to 8,013.70, 12,022.02 and 2,748.46 is: 4,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.70 : 12,022.02 = 2,748.46 : x
  2. Step 2: Convert to fraction form
    8,013.70/12,022.02 = 2,748.46/x
  3. Step 3: Cross multiply
    8,013.70x = 12,022.02 × 2,748.46
  4. Step 4: Simplify right side
    8,013.70x = 33,042,041.09
  5. Step 5: Solve for x
    x = 33,042,041.09/8,013.70
  6. Step 6: Final answer
    x = 4,123.19

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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.