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Finding the Fourth Proportional to 1,691.79, 2,333.49 and 1,552.37

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Solution

The fourth proportional to 1,691.79, 2,333.49 and 1,552.37 is: 2,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.79 : 2,333.49 = 1,552.37 : x
  2. Step 2: Convert to fraction form
    1,691.79/2,333.49 = 1,552.37/x
  3. Step 3: Cross multiply
    1,691.79x = 2,333.49 × 1,552.37
  4. Step 4: Simplify right side
    1,691.79x = 3,622,422.38
  5. Step 5: Solve for x
    x = 3,622,422.38/1,691.79
  6. Step 6: Final answer
    x = 2,141.18

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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.