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Finding the Fourth Proportional to 2,342.73, 3,514.10 and 699.30

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Solution

The fourth proportional to 2,342.73, 3,514.10 and 699.30 is: 1,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.73 : 3,514.10 = 699.30 : x
  2. Step 2: Convert to fraction form
    2,342.73/3,514.10 = 699.30/x
  3. Step 3: Cross multiply
    2,342.73x = 3,514.10 × 699.30
  4. Step 4: Simplify right side
    2,342.73x = 2,457,410.13
  5. Step 5: Solve for x
    x = 2,457,410.13/2,342.73
  6. Step 6: Final answer
    x = 1,048.95

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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.