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Finding the Fourth Proportional to 2,750.39, 4,126.22 and 901.67

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Solution

The fourth proportional to 2,750.39, 4,126.22 and 901.67 is: 1,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.39 : 4,126.22 = 901.67 : x
  2. Step 2: Convert to fraction form
    2,750.39/4,126.22 = 901.67/x
  3. Step 3: Cross multiply
    2,750.39x = 4,126.22 × 901.67
  4. Step 4: Simplify right side
    2,750.39x = 3,720,488.79
  5. Step 5: Solve for x
    x = 3,720,488.79/2,750.39
  6. Step 6: Final answer
    x = 1,352.71

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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.