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Finding the Fourth Proportional to 69,324.64, 103,986.88 and 22,577.44

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Solution

The fourth proportional to 69,324.64, 103,986.88 and 22,577.44 is: 33,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,324.64 : 103,986.88 = 22,577.44 : x
  2. Step 2: Convert to fraction form
    69,324.64/103,986.88 = 22,577.44/x
  3. Step 3: Cross multiply
    69,324.64x = 103,986.88 × 22,577.44
  4. Step 4: Simplify right side
    69,324.64x = 2,347,757,543.99
  5. Step 5: Solve for x
    x = 2,347,757,543.99/69,324.64
  6. Step 6: Final answer
    x = 33,866.13

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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.