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Finding the Fourth Proportional to 1,996.13, 2,990.11 and 1,627.25

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Solution

The fourth proportional to 1,996.13, 2,990.11 and 1,627.25 is: 2,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.13 : 2,990.11 = 1,627.25 : x
  2. Step 2: Convert to fraction form
    1,996.13/2,990.11 = 1,627.25/x
  3. Step 3: Cross multiply
    1,996.13x = 2,990.11 × 1,627.25
  4. Step 4: Simplify right side
    1,996.13x = 4,865,656.50
  5. Step 5: Solve for x
    x = 4,865,656.50/1,996.13
  6. Step 6: Final answer
    x = 2,437.54

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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.