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Finding the Fourth Proportional to 48,992.76, 73,489.14 and 12,056.76

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Solution

The fourth proportional to 48,992.76, 73,489.14 and 12,056.76 is: 18,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.76 : 73,489.14 = 12,056.76 : x
  2. Step 2: Convert to fraction form
    48,992.76/73,489.14 = 12,056.76/x
  3. Step 3: Cross multiply
    48,992.76x = 73,489.14 × 12,056.76
  4. Step 4: Simplify right side
    48,992.76x = 886,040,923.59
  5. Step 5: Solve for x
    x = 886,040,923.59/48,992.76
  6. Step 6: Final answer
    x = 18,085.14

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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.