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Finding the Fourth Proportional to 2,882.66, 4,319.67 and 2,062.67

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Solution

The fourth proportional to 2,882.66, 4,319.67 and 2,062.67 is: 3,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.66 : 4,319.67 = 2,062.67 : x
  2. Step 2: Convert to fraction form
    2,882.66/4,319.67 = 2,062.67/x
  3. Step 3: Cross multiply
    2,882.66x = 4,319.67 × 2,062.67
  4. Step 4: Simplify right side
    2,882.66x = 8,910,053.72
  5. Step 5: Solve for x
    x = 8,910,053.72/2,882.66
  6. Step 6: Final answer
    x = 3,090.91

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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.