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Finding the Fourth Proportional to 69,326.64, 103,989.96 and 22,579.52

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Solution

The fourth proportional to 69,326.64, 103,989.96 and 22,579.52 is: 33,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,326.64 : 103,989.96 = 22,579.52 : x
  2. Step 2: Convert to fraction form
    69,326.64/103,989.96 = 22,579.52/x
  3. Step 3: Cross multiply
    69,326.64x = 103,989.96 × 22,579.52
  4. Step 4: Simplify right side
    69,326.64x = 2,348,042,861.67
  5. Step 5: Solve for x
    x = 2,348,042,861.67/69,326.64
  6. Step 6: Final answer
    x = 33,869.27

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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.