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Finding the Fourth Proportional to 69,338.92, 104,007.84 and 36,041.80

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Solution

The fourth proportional to 69,338.92, 104,007.84 and 36,041.80 is: 54,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338.92 : 104,007.84 = 36,041.80 : x
  2. Step 2: Convert to fraction form
    69,338.92/104,007.84 = 36,041.80/x
  3. Step 3: Cross multiply
    69,338.92x = 104,007.84 × 36,041.80
  4. Step 4: Simplify right side
    69,338.92x = 3,748,629,767.71
  5. Step 5: Solve for x
    x = 3,748,629,767.71/69,338.92
  6. Step 6: Final answer
    x = 54,062.42

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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.