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Finding the Fourth Proportional to 1,506.48, 2,079.14 and 843.37

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Solution

The fourth proportional to 1,506.48, 2,079.14 and 843.37 is: 1,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.48 : 2,079.14 = 843.37 : x
  2. Step 2: Convert to fraction form
    1,506.48/2,079.14 = 843.37/x
  3. Step 3: Cross multiply
    1,506.48x = 2,079.14 × 843.37
  4. Step 4: Simplify right side
    1,506.48x = 1,753,484.30
  5. Step 5: Solve for x
    x = 1,753,484.30/1,506.48
  6. Step 6: Final answer
    x = 1,163.96

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Why These Related Problems?

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