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Finding the Fourth Proportional to 2,314.07, 3,471.17 and 754.05

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Solution

The fourth proportional to 2,314.07, 3,471.17 and 754.05 is: 1,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.07 : 3,471.17 = 754.05 : x
  2. Step 2: Convert to fraction form
    2,314.07/3,471.17 = 754.05/x
  3. Step 3: Cross multiply
    2,314.07x = 3,471.17 × 754.05
  4. Step 4: Simplify right side
    2,314.07x = 2,617,431.97
  5. Step 5: Solve for x
    x = 2,617,431.97/2,314.07
  6. Step 6: Final answer
    x = 1,131.10

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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.