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Finding the Fourth Proportional to 69,806.54, 104,770.27 and 36,549.88

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Solution

The fourth proportional to 69,806.54, 104,770.27 and 36,549.88 is: 54,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,806.54 : 104,770.27 = 36,549.88 : x
  2. Step 2: Convert to fraction form
    69,806.54/104,770.27 = 36,549.88/x
  3. Step 3: Cross multiply
    69,806.54x = 104,770.27 × 36,549.88
  4. Step 4: Simplify right side
    69,806.54x = 3,829,340,796.07
  5. Step 5: Solve for x
    x = 3,829,340,796.07/69,806.54
  6. Step 6: Final answer
    x = 54,856.48

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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.