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Finding the Fourth Proportional to 37,143.54, 55,698.03 and 19,608.66

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Solution

The fourth proportional to 37,143.54, 55,698.03 and 19,608.66 is: 29,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.54 : 55,698.03 = 19,608.66 : x
  2. Step 2: Convert to fraction form
    37,143.54/55,698.03 = 19,608.66/x
  3. Step 3: Cross multiply
    37,143.54x = 55,698.03 × 19,608.66
  4. Step 4: Simplify right side
    37,143.54x = 1,092,163,732.94
  5. Step 5: Solve for x
    x = 1,092,163,732.94/37,143.54
  6. Step 6: Final answer
    x = 29,403.87

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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.