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Finding the Fourth Proportional to 5,318.33, 7,978.03 and 2,034.18

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Solution

The fourth proportional to 5,318.33, 7,978.03 and 2,034.18 is: 3,051.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.33 : 7,978.03 = 2,034.18 : x
  2. Step 2: Convert to fraction form
    5,318.33/7,978.03 = 2,034.18/x
  3. Step 3: Cross multiply
    5,318.33x = 7,978.03 × 2,034.18
  4. Step 4: Simplify right side
    5,318.33x = 16,228,743.98
  5. Step 5: Solve for x
    x = 16,228,743.98/5,318.33
  6. Step 6: Final answer
    x = 3,051.48

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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.