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Finding the Fourth Proportional to 2,247.26, 3,370.90 and 708.26

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Solution

The fourth proportional to 2,247.26, 3,370.90 and 708.26 is: 1,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.26 : 3,370.90 = 708.26 : x
  2. Step 2: Convert to fraction form
    2,247.26/3,370.90 = 708.26/x
  3. Step 3: Cross multiply
    2,247.26x = 3,370.90 × 708.26
  4. Step 4: Simplify right side
    2,247.26x = 2,387,473.63
  5. Step 5: Solve for x
    x = 2,387,473.63/2,247.26
  6. Step 6: Final answer
    x = 1,062.39

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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.