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Finding the Fourth Proportional to 39,876.33, 59,823.25 and 11,794.19

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Solution

The fourth proportional to 39,876.33, 59,823.25 and 11,794.19 is: 17,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.33 : 59,823.25 = 11,794.19 : x
  2. Step 2: Convert to fraction form
    39,876.33/59,823.25 = 11,794.19/x
  3. Step 3: Cross multiply
    39,876.33x = 59,823.25 × 11,794.19
  4. Step 4: Simplify right side
    39,876.33x = 705,566,896.99
  5. Step 5: Solve for x
    x = 705,566,896.99/39,876.33
  6. Step 6: Final answer
    x = 17,693.88

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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.