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Finding the Fourth Proportional to 2,031.88, 3,049.08 and 1,599.88

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Solution

The fourth proportional to 2,031.88, 3,049.08 and 1,599.88 is: 2,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.88 : 3,049.08 = 1,599.88 : x
  2. Step 2: Convert to fraction form
    2,031.88/3,049.08 = 1,599.88/x
  3. Step 3: Cross multiply
    2,031.88x = 3,049.08 × 1,599.88
  4. Step 4: Simplify right side
    2,031.88x = 4,878,162.11
  5. Step 5: Solve for x
    x = 4,878,162.11/2,031.88
  6. Step 6: Final answer
    x = 2,400.81

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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.