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Finding the Fourth Proportional to 3,868.04, 5,800.16 and 2,698.61

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Solution

The fourth proportional to 3,868.04, 5,800.16 and 2,698.61 is: 4,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.04 : 5,800.16 = 2,698.61 : x
  2. Step 2: Convert to fraction form
    3,868.04/5,800.16 = 2,698.61/x
  3. Step 3: Cross multiply
    3,868.04x = 5,800.16 × 2,698.61
  4. Step 4: Simplify right side
    3,868.04x = 15,652,327.28
  5. Step 5: Solve for x
    x = 15,652,327.28/3,868.04
  6. Step 6: Final answer
    x = 4,046.58

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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.