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Finding the Fourth Proportional to 2,531.46, 3,797.18 and 682.76

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Solution

The fourth proportional to 2,531.46, 3,797.18 and 682.76 is: 1,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.46 : 3,797.18 = 682.76 : x
  2. Step 2: Convert to fraction form
    2,531.46/3,797.18 = 682.76/x
  3. Step 3: Cross multiply
    2,531.46x = 3,797.18 × 682.76
  4. Step 4: Simplify right side
    2,531.46x = 2,592,563.25
  5. Step 5: Solve for x
    x = 2,592,563.25/2,531.46
  6. Step 6: Final answer
    x = 1,024.14

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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.