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Finding the Fourth Proportional to 19,394.92, 29,092.38 and 9,001

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Solution

The fourth proportional to 19,394.92, 29,092.38 and 9,001 is: 13,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.92 : 29,092.38 = 9,001 : x
  2. Step 2: Convert to fraction form
    19,394.92/29,092.38 = 9,001/x
  3. Step 3: Cross multiply
    19,394.92x = 29,092.38 × 9,001
  4. Step 4: Simplify right side
    19,394.92x = 261,860,512.38
  5. Step 5: Solve for x
    x = 261,860,512.38/19,394.92
  6. Step 6: Final answer
    x = 13,501.50

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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.