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Finding the Fourth Proportional to 1,702.29, 2,349.67 and 994.33

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Solution

The fourth proportional to 1,702.29, 2,349.67 and 994.33 is: 1,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.29 : 2,349.67 = 994.33 : x
  2. Step 2: Convert to fraction form
    1,702.29/2,349.67 = 994.33/x
  3. Step 3: Cross multiply
    1,702.29x = 2,349.67 × 994.33
  4. Step 4: Simplify right side
    1,702.29x = 2,336,347.37
  5. Step 5: Solve for x
    x = 2,336,347.37/1,702.29
  6. Step 6: Final answer
    x = 1,372.47

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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.