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Finding the Fourth Proportional to 40,173.60, 60,249.60 and 16,795.20

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Solution

The fourth proportional to 40,173.60, 60,249.60 and 16,795.20 is: 25,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.60 : 60,249.60 = 16,795.20 : x
  2. Step 2: Convert to fraction form
    40,173.60/60,249.60 = 16,795.20/x
  3. Step 3: Cross multiply
    40,173.60x = 60,249.60 × 16,795.20
  4. Step 4: Simplify right side
    40,173.60x = 1,011,904,081.92
  5. Step 5: Solve for x
    x = 1,011,904,081.92/40,173.60
  6. Step 6: Final answer
    x = 25,188.28

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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.