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Finding the Fourth Proportional to 2,498.52, 3,750.10 and 1,266.80

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Solution

The fourth proportional to 2,498.52, 3,750.10 and 1,266.80 is: 1,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.52 : 3,750.10 = 1,266.80 : x
  2. Step 2: Convert to fraction form
    2,498.52/3,750.10 = 1,266.80/x
  3. Step 3: Cross multiply
    2,498.52x = 3,750.10 × 1,266.80
  4. Step 4: Simplify right side
    2,498.52x = 4,750,626.68
  5. Step 5: Solve for x
    x = 4,750,626.68/2,498.52
  6. Step 6: Final answer
    x = 1,901.38

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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.