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Finding the Fourth Proportional to 69,797.61, 104,756.85 and 36,540.93

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Solution

The fourth proportional to 69,797.61, 104,756.85 and 36,540.93 is: 54,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,797.61 : 104,756.85 = 36,540.93 : x
  2. Step 2: Convert to fraction form
    69,797.61/104,756.85 = 36,540.93/x
  3. Step 3: Cross multiply
    69,797.61x = 104,756.85 × 36,540.93
  4. Step 4: Simplify right side
    69,797.61x = 3,827,912,722.87
  5. Step 5: Solve for x
    x = 3,827,912,722.87/69,797.61
  6. Step 6: Final answer
    x = 54,843.03

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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.