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Finding the Fourth Proportional to 1,957.97, 2,702.17 and 1,073.94

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Solution

The fourth proportional to 1,957.97, 2,702.17 and 1,073.94 is: 1,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.97 : 2,702.17 = 1,073.94 : x
  2. Step 2: Convert to fraction form
    1,957.97/2,702.17 = 1,073.94/x
  3. Step 3: Cross multiply
    1,957.97x = 2,702.17 × 1,073.94
  4. Step 4: Simplify right side
    1,957.97x = 2,901,969.84
  5. Step 5: Solve for x
    x = 2,901,969.84/1,957.97
  6. Step 6: Final answer
    x = 1,482.13

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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.