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Finding the Fourth Proportional to 2,691.67, 4,034.01 and 1,303.08

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Solution

The fourth proportional to 2,691.67, 4,034.01 and 1,303.08 is: 1,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.67 : 4,034.01 = 1,303.08 : x
  2. Step 2: Convert to fraction form
    2,691.67/4,034.01 = 1,303.08/x
  3. Step 3: Cross multiply
    2,691.67x = 4,034.01 × 1,303.08
  4. Step 4: Simplify right side
    2,691.67x = 5,256,642.64
  5. Step 5: Solve for x
    x = 5,256,642.64/2,691.67
  6. Step 6: Final answer
    x = 1,952.93

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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.