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Finding the Fourth Proportional to 48,820.48, 73,224.24 and 19,230.64

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Solution

The fourth proportional to 48,820.48, 73,224.24 and 19,230.64 is: 28,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,820.48 : 73,224.24 = 19,230.64 : x
  2. Step 2: Convert to fraction form
    48,820.48/73,224.24 = 19,230.64/x
  3. Step 3: Cross multiply
    48,820.48x = 73,224.24 × 19,230.64
  4. Step 4: Simplify right side
    48,820.48x = 1,408,148,998.71
  5. Step 5: Solve for x
    x = 1,408,148,998.71/48,820.48
  6. Step 6: Final answer
    x = 28,843.41

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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.