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Finding the Fourth Proportional to 1,461.35, 2,016.60 and 798.17

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Solution

The fourth proportional to 1,461.35, 2,016.60 and 798.17 is: 1,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.35 : 2,016.60 = 798.17 : x
  2. Step 2: Convert to fraction form
    1,461.35/2,016.60 = 798.17/x
  3. Step 3: Cross multiply
    1,461.35x = 2,016.60 × 798.17
  4. Step 4: Simplify right side
    1,461.35x = 1,609,589.62
  5. Step 5: Solve for x
    x = 1,609,589.62/1,461.35
  6. Step 6: Final answer
    x = 1,101.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.