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Finding the Fourth Proportional to 6,553.11, 9,827.57 and 2,169.63

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Solution

The fourth proportional to 6,553.11, 9,827.57 and 2,169.63 is: 3,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.11 : 9,827.57 = 2,169.63 : x
  2. Step 2: Convert to fraction form
    6,553.11/9,827.57 = 2,169.63/x
  3. Step 3: Cross multiply
    6,553.11x = 9,827.57 × 2,169.63
  4. Step 4: Simplify right side
    6,553.11x = 21,322,179.85
  5. Step 5: Solve for x
    x = 21,322,179.85/6,553.11
  6. Step 6: Final answer
    x = 3,253.75

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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.