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Finding the Fourth Proportional to 6,531.78, 9,797.67 and 2,372.34

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Solution

The fourth proportional to 6,531.78, 9,797.67 and 2,372.34 is: 3,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.78 : 9,797.67 = 2,372.34 : x
  2. Step 2: Convert to fraction form
    6,531.78/9,797.67 = 2,372.34/x
  3. Step 3: Cross multiply
    6,531.78x = 9,797.67 × 2,372.34
  4. Step 4: Simplify right side
    6,531.78x = 23,243,404.45
  5. Step 5: Solve for x
    x = 23,243,404.45/6,531.78
  6. Step 6: Final answer
    x = 3,558.51

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Double scale
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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.