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Finding the Fourth Proportional to 2,675.23, 4,010.72 and 825.19

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Solution

The fourth proportional to 2,675.23, 4,010.72 and 825.19 is: 1,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.23 : 4,010.72 = 825.19 : x
  2. Step 2: Convert to fraction form
    2,675.23/4,010.72 = 825.19/x
  3. Step 3: Cross multiply
    2,675.23x = 4,010.72 × 825.19
  4. Step 4: Simplify right side
    2,675.23x = 3,309,591.88
  5. Step 5: Solve for x
    x = 3,309,591.88/2,675.23
  6. Step 6: Final answer
    x = 1,237.13

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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.