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Finding the Fourth Proportional to 2,674.80, 3,691.31 and 1,495.85

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Solution

The fourth proportional to 2,674.80, 3,691.31 and 1,495.85 is: 2,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.80 : 3,691.31 = 1,495.85 : x
  2. Step 2: Convert to fraction form
    2,674.80/3,691.31 = 1,495.85/x
  3. Step 3: Cross multiply
    2,674.80x = 3,691.31 × 1,495.85
  4. Step 4: Simplify right side
    2,674.80x = 5,521,646.06
  5. Step 5: Solve for x
    x = 5,521,646.06/2,674.80
  6. Step 6: Final answer
    x = 2,064.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.