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Finding the Fourth Proportional to 6,622.14, 9,933.18 and 1,691.77

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Solution

The fourth proportional to 6,622.14, 9,933.18 and 1,691.77 is: 2,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.14 : 9,933.18 = 1,691.77 : x
  2. Step 2: Convert to fraction form
    6,622.14/9,933.18 = 1,691.77/x
  3. Step 3: Cross multiply
    6,622.14x = 9,933.18 × 1,691.77
  4. Step 4: Simplify right side
    6,622.14x = 16,804,652.89
  5. Step 5: Solve for x
    x = 16,804,652.89/6,622.14
  6. Step 6: Final answer
    x = 2,537.65

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Similar ratio
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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.