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Finding the Fourth Proportional to 1,747.56, 2,608.62 and 1,518.12

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Solution

The fourth proportional to 1,747.56, 2,608.62 and 1,518.12 is: 2,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.56 : 2,608.62 = 1,518.12 : x
  2. Step 2: Convert to fraction form
    1,747.56/2,608.62 = 1,518.12/x
  3. Step 3: Cross multiply
    1,747.56x = 2,608.62 × 1,518.12
  4. Step 4: Simplify right side
    1,747.56x = 3,960,198.19
  5. Step 5: Solve for x
    x = 3,960,198.19/1,747.56
  6. Step 6: Final answer
    x = 2,266.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.