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Finding the Fourth Proportional to 36,495.28, 54,742.92 and 8,793.28

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Solution

The fourth proportional to 36,495.28, 54,742.92 and 8,793.28 is: 13,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,495.28 : 54,742.92 = 8,793.28 : x
  2. Step 2: Convert to fraction form
    36,495.28/54,742.92 = 8,793.28/x
  3. Step 3: Cross multiply
    36,495.28x = 54,742.92 × 8,793.28
  4. Step 4: Simplify right side
    36,495.28x = 481,369,823.58
  5. Step 5: Solve for x
    x = 481,369,823.58/36,495.28
  6. Step 6: Final answer
    x = 13,189.92

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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.