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Finding the Fourth Proportional to 1,296.74, 1,798.66 and 1,250.03

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Solution

The fourth proportional to 1,296.74, 1,798.66 and 1,250.03 is: 1,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.74 : 1,798.66 = 1,250.03 : x
  2. Step 2: Convert to fraction form
    1,296.74/1,798.66 = 1,250.03/x
  3. Step 3: Cross multiply
    1,296.74x = 1,798.66 × 1,250.03
  4. Step 4: Simplify right side
    1,296.74x = 2,248,380.33
  5. Step 5: Solve for x
    x = 2,248,380.33/1,296.74
  6. Step 6: Final answer
    x = 1,733.88

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.