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Finding the Fourth Proportional to 16,512.66, 24,758.46 and 7,019.88

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Solution

The fourth proportional to 16,512.66, 24,758.46 and 7,019.88 is: 10,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.66 : 24,758.46 = 7,019.88 : x
  2. Step 2: Convert to fraction form
    16,512.66/24,758.46 = 7,019.88/x
  3. Step 3: Cross multiply
    16,512.66x = 24,758.46 × 7,019.88
  4. Step 4: Simplify right side
    16,512.66x = 173,801,418.18
  5. Step 5: Solve for x
    x = 173,801,418.18/16,512.66
  6. Step 6: Final answer
    x = 10,525.34

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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.