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Finding the Fourth Proportional to 1,694.97, 2,340.95 and 1,671.93

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Solution

The fourth proportional to 1,694.97, 2,340.95 and 1,671.93 is: 2,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.97 : 2,340.95 = 1,671.93 : x
  2. Step 2: Convert to fraction form
    1,694.97/2,340.95 = 1,671.93/x
  3. Step 3: Cross multiply
    1,694.97x = 2,340.95 × 1,671.93
  4. Step 4: Simplify right side
    1,694.97x = 3,913,896.17
  5. Step 5: Solve for x
    x = 3,913,896.17/1,694.97
  6. Step 6: Final answer
    x = 2,309.12

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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.