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Finding the Fourth Proportional to 69,996.52, 104,935.31 and 32,578.32

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Solution

The fourth proportional to 69,996.52, 104,935.31 and 32,578.32 is: 48,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.52 : 104,935.31 = 32,578.32 : x
  2. Step 2: Convert to fraction form
    69,996.52/104,935.31 = 32,578.32/x
  3. Step 3: Cross multiply
    69,996.52x = 104,935.31 × 32,578.32
  4. Step 4: Simplify right side
    69,996.52x = 3,418,616,108.48
  5. Step 5: Solve for x
    x = 3,418,616,108.48/69,996.52
  6. Step 6: Final answer
    x = 48,839.80

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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.