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Finding the Fourth Proportional to 69,799.68, 104,689.64 and 22,418.89

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Solution

The fourth proportional to 69,799.68, 104,689.64 and 22,418.89 is: 33,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,799.68 : 104,689.64 = 22,418.89 : x
  2. Step 2: Convert to fraction form
    69,799.68/104,689.64 = 22,418.89/x
  3. Step 3: Cross multiply
    69,799.68x = 104,689.64 × 22,418.89
  4. Step 4: Simplify right side
    69,799.68x = 2,347,025,317.62
  5. Step 5: Solve for x
    x = 2,347,025,317.62/69,799.68
  6. Step 6: Final answer
    x = 33,625.16

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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.