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Finding the Fourth Proportional to 2,460.94, 3,691.41 and 729.70

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Solution

The fourth proportional to 2,460.94, 3,691.41 and 729.70 is: 1,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.94 : 3,691.41 = 729.70 : x
  2. Step 2: Convert to fraction form
    2,460.94/3,691.41 = 729.70/x
  3. Step 3: Cross multiply
    2,460.94x = 3,691.41 × 729.70
  4. Step 4: Simplify right side
    2,460.94x = 2,693,621.88
  5. Step 5: Solve for x
    x = 2,693,621.88/2,460.94
  6. Step 6: Final answer
    x = 1,094.55

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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.