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Finding the Fourth Proportional to 67,295.52, 100,954.08 and 20,544.48

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Solution

The fourth proportional to 67,295.52, 100,954.08 and 20,544.48 is: 30,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.52 : 100,954.08 = 20,544.48 : x
  2. Step 2: Convert to fraction form
    67,295.52/100,954.08 = 20,544.48/x
  3. Step 3: Cross multiply
    67,295.52x = 100,954.08 × 20,544.48
  4. Step 4: Simplify right side
    67,295.52x = 2,074,049,077.48
  5. Step 5: Solve for x
    x = 2,074,049,077.48/67,295.52
  6. Step 6: Final answer
    x = 30,820.02

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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.