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Finding the Fourth Proportional to 10,800.37, 16,163.97 and 6,643.01

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Solution

The fourth proportional to 10,800.37, 16,163.97 and 6,643.01 is: 9,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.37 : 16,163.97 = 6,643.01 : x
  2. Step 2: Convert to fraction form
    10,800.37/16,163.97 = 6,643.01/x
  3. Step 3: Cross multiply
    10,800.37x = 16,163.97 × 6,643.01
  4. Step 4: Simplify right side
    10,800.37x = 107,377,376.29
  5. Step 5: Solve for x
    x = 107,377,376.29/10,800.37
  6. Step 6: Final answer
    x = 9,942.01

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1.5x scale

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.