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Finding the Fourth Proportional to 48,860.72, 73,300.84 and 15,579.68

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Solution

The fourth proportional to 48,860.72, 73,300.84 and 15,579.68 is: 23,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.72 : 73,300.84 = 15,579.68 : x
  2. Step 2: Convert to fraction form
    48,860.72/73,300.84 = 15,579.68/x
  3. Step 3: Cross multiply
    48,860.72x = 73,300.84 × 15,579.68
  4. Step 4: Simplify right side
    48,860.72x = 1,142,003,630.93
  5. Step 5: Solve for x
    x = 1,142,003,630.93/48,860.72
  6. Step 6: Final answer
    x = 23,372.63

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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.