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Finding the Fourth Proportional to 36,648.87, 54,973.17 and 13,269.84

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Solution

The fourth proportional to 36,648.87, 54,973.17 and 13,269.84 is: 19,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,648.87 : 54,973.17 = 13,269.84 : x
  2. Step 2: Convert to fraction form
    36,648.87/54,973.17 = 13,269.84/x
  3. Step 3: Cross multiply
    36,648.87x = 54,973.17 × 13,269.84
  4. Step 4: Simplify right side
    36,648.87x = 729,485,170.19
  5. Step 5: Solve for x
    x = 729,485,170.19/36,648.87
  6. Step 6: Final answer
    x = 19,904.71

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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.