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Finding the Fourth Proportional to 69,342.97, 104,030.13 and 21,960.94

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Solution

The fourth proportional to 69,342.97, 104,030.13 and 21,960.94 is: 32,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,342.97 : 104,030.13 = 21,960.94 : x
  2. Step 2: Convert to fraction form
    69,342.97/104,030.13 = 21,960.94/x
  3. Step 3: Cross multiply
    69,342.97x = 104,030.13 × 21,960.94
  4. Step 4: Simplify right side
    69,342.97x = 2,284,599,443.12
  5. Step 5: Solve for x
    x = 2,284,599,443.12/69,342.97
  6. Step 6: Final answer
    x = 32,946.37

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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.