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Finding the Fourth Proportional to 3,196.98, 4,791.03 and 1,792.13

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Solution

The fourth proportional to 3,196.98, 4,791.03 and 1,792.13 is: 2,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.98 : 4,791.03 = 1,792.13 : x
  2. Step 2: Convert to fraction form
    3,196.98/4,791.03 = 1,792.13/x
  3. Step 3: Cross multiply
    3,196.98x = 4,791.03 × 1,792.13
  4. Step 4: Simplify right side
    3,196.98x = 8,586,124.64
  5. Step 5: Solve for x
    x = 8,586,124.64/3,196.98
  6. Step 6: Final answer
    x = 2,685.70

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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.