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Finding the Fourth Proportional to 5,963.22, 8,939.16 and 3,188.16

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Solution

The fourth proportional to 5,963.22, 8,939.16 and 3,188.16 is: 4,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,963.22 : 8,939.16 = 3,188.16 : x
  2. Step 2: Convert to fraction form
    5,963.22/8,939.16 = 3,188.16/x
  3. Step 3: Cross multiply
    5,963.22x = 8,939.16 × 3,188.16
  4. Step 4: Simplify right side
    5,963.22x = 28,499,472.35
  5. Step 5: Solve for x
    x = 28,499,472.35/5,963.22
  6. Step 6: Final answer
    x = 4,779.21

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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.