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Finding the Fourth Proportional to 2,729.52, 4,094.28 and 997.74

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Solution

The fourth proportional to 2,729.52, 4,094.28 and 997.74 is: 1,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.52 : 4,094.28 = 997.74 : x
  2. Step 2: Convert to fraction form
    2,729.52/4,094.28 = 997.74/x
  3. Step 3: Cross multiply
    2,729.52x = 4,094.28 × 997.74
  4. Step 4: Simplify right side
    2,729.52x = 4,085,026.93
  5. Step 5: Solve for x
    x = 4,085,026.93/2,729.52
  6. Step 6: Final answer
    x = 1,496.61

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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.