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Finding the Fourth Proportional to 48,824.20, 73,221.90 and 19,232.20

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Solution

The fourth proportional to 48,824.20, 73,221.90 and 19,232.20 is: 28,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,824.20 : 73,221.90 = 19,232.20 : x
  2. Step 2: Convert to fraction form
    48,824.20/73,221.90 = 19,232.20/x
  3. Step 3: Cross multiply
    48,824.20x = 73,221.90 × 19,232.20
  4. Step 4: Simplify right side
    48,824.20x = 1,408,218,225.18
  5. Step 5: Solve for x
    x = 1,408,218,225.18/48,824.20
  6. Step 6: Final answer
    x = 28,842.63

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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.