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Finding the Fourth Proportional to 6,188.26, 8,539.84 and 3,393.76

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Solution

The fourth proportional to 6,188.26, 8,539.84 and 3,393.76 is: 4,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.26 : 8,539.84 = 3,393.76 : x
  2. Step 2: Convert to fraction form
    6,188.26/8,539.84 = 3,393.76/x
  3. Step 3: Cross multiply
    6,188.26x = 8,539.84 × 3,393.76
  4. Step 4: Simplify right side
    6,188.26x = 28,982,167.40
  5. Step 5: Solve for x
    x = 28,982,167.40/6,188.26
  6. Step 6: Final answer
    x = 4,683.41

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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.