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Finding the Fourth Proportional to 5,292.40, 7,936.98 and 3,659.44

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Solution

The fourth proportional to 5,292.40, 7,936.98 and 3,659.44 is: 5,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.40 : 7,936.98 = 3,659.44 : x
  2. Step 2: Convert to fraction form
    5,292.40/7,936.98 = 3,659.44/x
  3. Step 3: Cross multiply
    5,292.40x = 7,936.98 × 3,659.44
  4. Step 4: Simplify right side
    5,292.40x = 29,044,863.95
  5. Step 5: Solve for x
    x = 29,044,863.95/5,292.40
  6. Step 6: Final answer
    x = 5,488.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.