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Finding the Fourth Proportional to 6,575.82, 9,863.94 and 2,193.72

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Solution

The fourth proportional to 6,575.82, 9,863.94 and 2,193.72 is: 3,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.82 : 9,863.94 = 2,193.72 : x
  2. Step 2: Convert to fraction form
    6,575.82/9,863.94 = 2,193.72/x
  3. Step 3: Cross multiply
    6,575.82x = 9,863.94 × 2,193.72
  4. Step 4: Simplify right side
    6,575.82x = 21,638,722.46
  5. Step 5: Solve for x
    x = 21,638,722.46/6,575.82
  6. Step 6: Final answer
    x = 3,290.65

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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.