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Finding the Fourth Proportional to 36,656.74, 54,990.54 and 13,277.74

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Solution

The fourth proportional to 36,656.74, 54,990.54 and 13,277.74 is: 19,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,656.74 : 54,990.54 = 13,277.74 : x
  2. Step 2: Convert to fraction form
    36,656.74/54,990.54 = 13,277.74/x
  3. Step 3: Cross multiply
    36,656.74x = 54,990.54 × 13,277.74
  4. Step 4: Simplify right side
    36,656.74x = 730,150,092.58
  5. Step 5: Solve for x
    x = 730,150,092.58/36,656.74
  6. Step 6: Final answer
    x = 19,918.58

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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.