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Finding the Fourth Proportional to 39,555.33, 59,351.82 and 19,847.82

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Solution

The fourth proportional to 39,555.33, 59,351.82 and 19,847.82 is: 29,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.33 : 59,351.82 = 19,847.82 : x
  2. Step 2: Convert to fraction form
    39,555.33/59,351.82 = 19,847.82/x
  3. Step 3: Cross multiply
    39,555.33x = 59,351.82 × 19,847.82
  4. Step 4: Simplify right side
    39,555.33x = 1,178,004,240.03
  5. Step 5: Solve for x
    x = 1,178,004,240.03/39,555.33
  6. Step 6: Final answer
    x = 29,781.18

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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.