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Finding the Fourth Proportional to 5,939.56, 8,906.68 and 3,165.72

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Solution

The fourth proportional to 5,939.56, 8,906.68 and 3,165.72 is: 4,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.56 : 8,906.68 = 3,165.72 : x
  2. Step 2: Convert to fraction form
    5,939.56/8,906.68 = 3,165.72/x
  3. Step 3: Cross multiply
    5,939.56x = 8,906.68 × 3,165.72
  4. Step 4: Simplify right side
    5,939.56x = 28,196,055.01
  5. Step 5: Solve for x
    x = 28,196,055.01/5,939.56
  6. Step 6: Final answer
    x = 4,747.16

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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.