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Finding the Fourth Proportional to 2,341.41, 3,512.11 and 697.92

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Solution

The fourth proportional to 2,341.41, 3,512.11 and 697.92 is: 1,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.41 : 3,512.11 = 697.92 : x
  2. Step 2: Convert to fraction form
    2,341.41/3,512.11 = 697.92/x
  3. Step 3: Cross multiply
    2,341.41x = 3,512.11 × 697.92
  4. Step 4: Simplify right side
    2,341.41x = 2,451,156.00
  5. Step 5: Solve for x
    x = 2,451,156.00/2,341.41
  6. Step 6: Final answer
    x = 1,046.87

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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.