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Finding the Fourth Proportional to 2,489.88, 3,731.58 and 1,552.44

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Solution

The fourth proportional to 2,489.88, 3,731.58 and 1,552.44 is: 2,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.88 : 3,731.58 = 1,552.44 : x
  2. Step 2: Convert to fraction form
    2,489.88/3,731.58 = 1,552.44/x
  3. Step 3: Cross multiply
    2,489.88x = 3,731.58 × 1,552.44
  4. Step 4: Simplify right side
    2,489.88x = 5,793,054.06
  5. Step 5: Solve for x
    x = 5,793,054.06/2,489.88
  6. Step 6: Final answer
    x = 2,326.64

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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.