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Finding the Fourth Proportional to 5,889.72, 8,128.02 and 3,372.27

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Solution

The fourth proportional to 5,889.72, 8,128.02 and 3,372.27 is: 4,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.72 : 8,128.02 = 3,372.27 : x
  2. Step 2: Convert to fraction form
    5,889.72/8,128.02 = 3,372.27/x
  3. Step 3: Cross multiply
    5,889.72x = 8,128.02 × 3,372.27
  4. Step 4: Simplify right side
    5,889.72x = 27,409,878.01
  5. Step 5: Solve for x
    x = 27,409,878.01/5,889.72
  6. Step 6: Final answer
    x = 4,653.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.