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Finding the Fourth Proportional to 73,647.28, 110,520.60 and 26,904.88

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Solution

The fourth proportional to 73,647.28, 110,520.60 and 26,904.88 is: 40,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,647.28 : 110,520.60 = 26,904.88 : x
  2. Step 2: Convert to fraction form
    73,647.28/110,520.60 = 26,904.88/x
  3. Step 3: Cross multiply
    73,647.28x = 110,520.60 × 26,904.88
  4. Step 4: Simplify right side
    73,647.28x = 2,973,543,480.53
  5. Step 5: Solve for x
    x = 2,973,543,480.53/73,647.28
  6. Step 6: Final answer
    x = 40,375.47

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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.