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Finding the Fourth Proportional to 69,679.50, 104,492.79 and 29,673.24

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Solution

The fourth proportional to 69,679.50, 104,492.79 and 29,673.24 is: 44,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679.50 : 104,492.79 = 29,673.24 : x
  2. Step 2: Convert to fraction form
    69,679.50/104,492.79 = 29,673.24/x
  3. Step 3: Cross multiply
    69,679.50x = 104,492.79 × 29,673.24
  4. Step 4: Simplify right side
    69,679.50x = 3,100,639,635.94
  5. Step 5: Solve for x
    x = 3,100,639,635.94/69,679.50
  6. Step 6: Final answer
    x = 44,498.59

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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.