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Finding the Fourth Proportional to 36,481.59, 54,700.45 and 14,268.49

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Solution

The fourth proportional to 36,481.59, 54,700.45 and 14,268.49 is: 21,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.59 : 54,700.45 = 14,268.49 : x
  2. Step 2: Convert to fraction form
    36,481.59/54,700.45 = 14,268.49/x
  3. Step 3: Cross multiply
    36,481.59x = 54,700.45 × 14,268.49
  4. Step 4: Simplify right side
    36,481.59x = 780,492,651.40
  5. Step 5: Solve for x
    x = 780,492,651.40/36,481.59
  6. Step 6: Final answer
    x = 21,394.15

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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.