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Finding the Fourth Proportional to 69,808.30, 104,772.91 and 36,551.62

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Solution

The fourth proportional to 69,808.30, 104,772.91 and 36,551.62 is: 54,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.30 : 104,772.91 = 36,551.62 : x
  2. Step 2: Convert to fraction form
    69,808.30/104,772.91 = 36,551.62/x
  3. Step 3: Cross multiply
    69,808.30x = 104,772.91 × 36,551.62
  4. Step 4: Simplify right side
    69,808.30x = 3,829,619,592.61
  5. Step 5: Solve for x
    x = 3,829,619,592.61/69,808.30
  6. Step 6: Final answer
    x = 54,859.09

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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.