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Finding the Fourth Proportional to 69,388.95, 104,087.10 and 22,007.77

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Solution

The fourth proportional to 69,388.95, 104,087.10 and 22,007.77 is: 33,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.95 : 104,087.10 = 22,007.77 : x
  2. Step 2: Convert to fraction form
    69,388.95/104,087.10 = 22,007.77/x
  3. Step 3: Cross multiply
    69,388.95x = 104,087.10 × 22,007.77
  4. Step 4: Simplify right side
    69,388.95x = 2,290,724,956.77
  5. Step 5: Solve for x
    x = 2,290,724,956.77/69,388.95
  6. Step 6: Final answer
    x = 33,012.82

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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.