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Finding the Fourth Proportional to 3,752.36, 5,621.22 and 2,449.88

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Solution

The fourth proportional to 3,752.36, 5,621.22 and 2,449.88 is: 3,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.36 : 5,621.22 = 2,449.88 : x
  2. Step 2: Convert to fraction form
    3,752.36/5,621.22 = 2,449.88/x
  3. Step 3: Cross multiply
    3,752.36x = 5,621.22 × 2,449.88
  4. Step 4: Simplify right side
    3,752.36x = 13,771,314.45
  5. Step 5: Solve for x
    x = 13,771,314.45/3,752.36
  6. Step 6: Final answer
    x = 3,670.04

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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.