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Finding the Fourth Proportional to 6,188.24, 8,540.16 and 3,393.74

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Solution

The fourth proportional to 6,188.24, 8,540.16 and 3,393.74 is: 4,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.24 : 8,540.16 = 3,393.74 : x
  2. Step 2: Convert to fraction form
    6,188.24/8,540.16 = 3,393.74/x
  3. Step 3: Cross multiply
    6,188.24x = 8,540.16 × 3,393.74
  4. Step 4: Simplify right side
    6,188.24x = 28,983,082.60
  5. Step 5: Solve for x
    x = 28,983,082.60/6,188.24
  6. Step 6: Final answer
    x = 4,683.57

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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.