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Finding the Fourth Proportional to 29,394.70, 44,078.14 and 11,391.36

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Solution

The fourth proportional to 29,394.70, 44,078.14 and 11,391.36 is: 17,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.70 : 44,078.14 = 11,391.36 : x
  2. Step 2: Convert to fraction form
    29,394.70/44,078.14 = 11,391.36/x
  3. Step 3: Cross multiply
    29,394.70x = 44,078.14 × 11,391.36
  4. Step 4: Simplify right side
    29,394.70x = 502,109,960.87
  5. Step 5: Solve for x
    x = 502,109,960.87/29,394.70
  6. Step 6: Final answer
    x = 17,081.65

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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.