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Finding the Fourth Proportional to 36,474.12, 54,711.72 and 10,179

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Solution

The fourth proportional to 36,474.12, 54,711.72 and 10,179 is: 15,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474.12 : 54,711.72 = 10,179 : x
  2. Step 2: Convert to fraction form
    36,474.12/54,711.72 = 10,179/x
  3. Step 3: Cross multiply
    36,474.12x = 54,711.72 × 10,179
  4. Step 4: Simplify right side
    36,474.12x = 556,910,597.88
  5. Step 5: Solve for x
    x = 556,910,597.88/36,474.12
  6. Step 6: Final answer
    x = 15,268.65

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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.