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Finding the Fourth Proportional to 1,702.87, 2,350.44 and 994.88

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Solution

The fourth proportional to 1,702.87, 2,350.44 and 994.88 is: 1,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.87 : 2,350.44 = 994.88 : x
  2. Step 2: Convert to fraction form
    1,702.87/2,350.44 = 994.88/x
  3. Step 3: Cross multiply
    1,702.87x = 2,350.44 × 994.88
  4. Step 4: Simplify right side
    1,702.87x = 2,338,394.00
  5. Step 5: Solve for x
    x = 2,338,394.00/1,702.87
  6. Step 6: Final answer
    x = 1,373.21

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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.