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Finding the Fourth Proportional to 2,691.73, 4,042.23 and 1,602.94

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Solution

The fourth proportional to 2,691.73, 4,042.23 and 1,602.94 is: 2,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.73 : 4,042.23 = 1,602.94 : x
  2. Step 2: Convert to fraction form
    2,691.73/4,042.23 = 1,602.94/x
  3. Step 3: Cross multiply
    2,691.73x = 4,042.23 × 1,602.94
  4. Step 4: Simplify right side
    2,691.73x = 6,479,452.16
  5. Step 5: Solve for x
    x = 6,479,452.16/2,691.73
  6. Step 6: Final answer
    x = 2,407.17

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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.