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Finding the Fourth Proportional to 5,834.16, 8,051.12 and 3,181.52

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Solution

The fourth proportional to 5,834.16, 8,051.12 and 3,181.52 is: 4,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,834.16 : 8,051.12 = 3,181.52 : x
  2. Step 2: Convert to fraction form
    5,834.16/8,051.12 = 3,181.52/x
  3. Step 3: Cross multiply
    5,834.16x = 8,051.12 × 3,181.52
  4. Step 4: Simplify right side
    5,834.16x = 25,614,799.30
  5. Step 5: Solve for x
    x = 25,614,799.30/5,834.16
  6. Step 6: Final answer
    x = 4,390.49

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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.