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Finding the Fourth Proportional to 36,155.52, 54,244.80 and 28,788.48

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Solution

The fourth proportional to 36,155.52, 54,244.80 and 28,788.48 is: 43,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.52 : 54,244.80 = 28,788.48 : x
  2. Step 2: Convert to fraction form
    36,155.52/54,244.80 = 28,788.48/x
  3. Step 3: Cross multiply
    36,155.52x = 54,244.80 × 28,788.48
  4. Step 4: Simplify right side
    36,155.52x = 1,561,625,339.90
  5. Step 5: Solve for x
    x = 1,561,625,339.90/36,155.52
  6. Step 6: Final answer
    x = 43,191.89

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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.