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Finding the Fourth Proportional to 2,959.75, 4,084.32 and 1,699.92

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Solution

The fourth proportional to 2,959.75, 4,084.32 and 1,699.92 is: 2,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.75 : 4,084.32 = 1,699.92 : x
  2. Step 2: Convert to fraction form
    2,959.75/4,084.32 = 1,699.92/x
  3. Step 3: Cross multiply
    2,959.75x = 4,084.32 × 1,699.92
  4. Step 4: Simplify right side
    2,959.75x = 6,942,995.56
  5. Step 5: Solve for x
    x = 6,942,995.56/2,959.75
  6. Step 6: Final answer
    x = 2,345.81

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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.