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Finding the Fourth Proportional to 39,799.38, 59,712.03 and 19,024.50

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Solution

The fourth proportional to 39,799.38, 59,712.03 and 19,024.50 is: 28,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.38 : 59,712.03 = 19,024.50 : x
  2. Step 2: Convert to fraction form
    39,799.38/59,712.03 = 19,024.50/x
  3. Step 3: Cross multiply
    39,799.38x = 59,712.03 × 19,024.50
  4. Step 4: Simplify right side
    39,799.38x = 1,135,991,514.74
  5. Step 5: Solve for x
    x = 1,135,991,514.74/39,799.38
  6. Step 6: Final answer
    x = 28,542.95

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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.