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Finding the Fourth Proportional to 16,611.02, 24,919.95 and 6,750.28

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Solution

The fourth proportional to 16,611.02, 24,919.95 and 6,750.28 is: 10,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.02 : 24,919.95 = 6,750.28 : x
  2. Step 2: Convert to fraction form
    16,611.02/24,919.95 = 6,750.28/x
  3. Step 3: Cross multiply
    16,611.02x = 24,919.95 × 6,750.28
  4. Step 4: Simplify right side
    16,611.02x = 168,216,640.09
  5. Step 5: Solve for x
    x = 168,216,640.09/16,611.02
  6. Step 6: Final answer
    x = 10,126.81

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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.