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Finding the Fourth Proportional to 6,233.60, 8,543.92 and 6,190.40

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Solution

The fourth proportional to 6,233.60, 8,543.92 and 6,190.40 is: 8,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,233.60 : 8,543.92 = 6,190.40 : x
  2. Step 2: Convert to fraction form
    6,233.60/8,543.92 = 6,190.40/x
  3. Step 3: Cross multiply
    6,233.60x = 8,543.92 × 6,190.40
  4. Step 4: Simplify right side
    6,233.60x = 52,890,282.37
  5. Step 5: Solve for x
    x = 52,890,282.37/6,233.60
  6. Step 6: Final answer
    x = 8,484.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.