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Finding the Fourth Proportional to 67,773.52, 101,660.28 and 18,525.52

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Solution

The fourth proportional to 67,773.52, 101,660.28 and 18,525.52 is: 27,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,773.52 : 101,660.28 = 18,525.52 : x
  2. Step 2: Convert to fraction form
    67,773.52/101,660.28 = 18,525.52/x
  3. Step 3: Cross multiply
    67,773.52x = 101,660.28 × 18,525.52
  4. Step 4: Simplify right side
    67,773.52x = 1,883,309,550.35
  5. Step 5: Solve for x
    x = 1,883,309,550.35/67,773.52
  6. Step 6: Final answer
    x = 27,788.28

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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.