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Finding the Fourth Proportional to 69,885.84, 104,845.51 and 22,505.39

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Solution

The fourth proportional to 69,885.84, 104,845.51 and 22,505.39 is: 33,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,885.84 : 104,845.51 = 22,505.39 : x
  2. Step 2: Convert to fraction form
    69,885.84/104,845.51 = 22,505.39/x
  3. Step 3: Cross multiply
    69,885.84x = 104,845.51 × 22,505.39
  4. Step 4: Simplify right side
    69,885.84x = 2,359,589,642.43
  5. Step 5: Solve for x
    x = 2,359,589,642.43/69,885.84
  6. Step 6: Final answer
    x = 33,763.49

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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.