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Finding the Fourth Proportional to 16,656.66, 24,984.99 and 4,344.66

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Solution

The fourth proportional to 16,656.66, 24,984.99 and 4,344.66 is: 6,516.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.66 : 24,984.99 = 4,344.66 : x
  2. Step 2: Convert to fraction form
    16,656.66/24,984.99 = 4,344.66/x
  3. Step 3: Cross multiply
    16,656.66x = 24,984.99 × 4,344.66
  4. Step 4: Simplify right side
    16,656.66x = 108,551,286.65
  5. Step 5: Solve for x
    x = 108,551,286.65/16,656.66
  6. Step 6: Final answer
    x = 6,516.99

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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.