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Finding the Fourth Proportional to 16,611.37, 24,921.87 and 4,924.87

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Solution

The fourth proportional to 16,611.37, 24,921.87 and 4,924.87 is: 7,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.37 : 24,921.87 = 4,924.87 : x
  2. Step 2: Convert to fraction form
    16,611.37/24,921.87 = 4,924.87/x
  3. Step 3: Cross multiply
    16,611.37x = 24,921.87 × 4,924.87
  4. Step 4: Simplify right side
    16,611.37x = 122,736,969.91
  5. Step 5: Solve for x
    x = 122,736,969.91/16,611.37
  6. Step 6: Final answer
    x = 7,388.73

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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.