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Finding the Fourth Proportional to 2,562.46, 3,843.56 and 713.68

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Solution

The fourth proportional to 2,562.46, 3,843.56 and 713.68 is: 1,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.46 : 3,843.56 = 713.68 : x
  2. Step 2: Convert to fraction form
    2,562.46/3,843.56 = 713.68/x
  3. Step 3: Cross multiply
    2,562.46x = 3,843.56 × 713.68
  4. Step 4: Simplify right side
    2,562.46x = 2,743,071.90
  5. Step 5: Solve for x
    x = 2,743,071.90/2,562.46
  6. Step 6: Final answer
    x = 1,070.48

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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.