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Finding the Fourth Proportional to 3,094.95, 4,642.37 and 754.97

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Solution

The fourth proportional to 3,094.95, 4,642.37 and 754.97 is: 1,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.95 : 4,642.37 = 754.97 : x
  2. Step 2: Convert to fraction form
    3,094.95/4,642.37 = 754.97/x
  3. Step 3: Cross multiply
    3,094.95x = 4,642.37 × 754.97
  4. Step 4: Simplify right side
    3,094.95x = 3,504,846.16
  5. Step 5: Solve for x
    x = 3,504,846.16/3,094.95
  6. Step 6: Final answer
    x = 1,132.44

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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.