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Finding the Fourth Proportional to 50,648.59, 75,981.79 and 19,481.41

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Solution

The fourth proportional to 50,648.59, 75,981.79 and 19,481.41 is: 29,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,648.59 : 75,981.79 = 19,481.41 : x
  2. Step 2: Convert to fraction form
    50,648.59/75,981.79 = 19,481.41/x
  3. Step 3: Cross multiply
    50,648.59x = 75,981.79 × 19,481.41
  4. Step 4: Simplify right side
    50,648.59x = 1,480,232,023.61
  5. Step 5: Solve for x
    x = 1,480,232,023.61/50,648.59
  6. Step 6: Final answer
    x = 29,225.54

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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.