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Finding the Fourth Proportional to 48,584.66, 72,881.81 and 13,524.31

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Solution

The fourth proportional to 48,584.66, 72,881.81 and 13,524.31 is: 20,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,584.66 : 72,881.81 = 13,524.31 : x
  2. Step 2: Convert to fraction form
    48,584.66/72,881.81 = 13,524.31/x
  3. Step 3: Cross multiply
    48,584.66x = 72,881.81 × 13,524.31
  4. Step 4: Simplify right side
    48,584.66x = 985,675,759.77
  5. Step 5: Solve for x
    x = 985,675,759.77/48,584.66
  6. Step 6: Final answer
    x = 20,287.80

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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.