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Finding the Fourth Proportional to 1,960.01, 2,702.19 and 1,679.04

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Solution

The fourth proportional to 1,960.01, 2,702.19 and 1,679.04 is: 2,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.01 : 2,702.19 = 1,679.04 : x
  2. Step 2: Convert to fraction form
    1,960.01/2,702.19 = 1,679.04/x
  3. Step 3: Cross multiply
    1,960.01x = 2,702.19 × 1,679.04
  4. Step 4: Simplify right side
    1,960.01x = 4,537,091.39
  5. Step 5: Solve for x
    x = 4,537,091.39/1,960.01
  6. Step 6: Final answer
    x = 2,314.83

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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.