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Finding the Fourth Proportional to 3,698.88, 5,543.16 and 1,845.90

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Solution

The fourth proportional to 3,698.88, 5,543.16 and 1,845.90 is: 2,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.88 : 5,543.16 = 1,845.90 : x
  2. Step 2: Convert to fraction form
    3,698.88/5,543.16 = 1,845.90/x
  3. Step 3: Cross multiply
    3,698.88x = 5,543.16 × 1,845.90
  4. Step 4: Simplify right side
    3,698.88x = 10,232,119.04
  5. Step 5: Solve for x
    x = 10,232,119.04/3,698.88
  6. Step 6: Final answer
    x = 2,766.27

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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.