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Finding the Fourth Proportional to 2,867.58, 4,300.11 and 1,481.70

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Solution

The fourth proportional to 2,867.58, 4,300.11 and 1,481.70 is: 2,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.58 : 4,300.11 = 1,481.70 : x
  2. Step 2: Convert to fraction form
    2,867.58/4,300.11 = 1,481.70/x
  3. Step 3: Cross multiply
    2,867.58x = 4,300.11 × 1,481.70
  4. Step 4: Simplify right side
    2,867.58x = 6,371,472.99
  5. Step 5: Solve for x
    x = 6,371,472.99/2,867.58
  6. Step 6: Final answer
    x = 2,221.90

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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.