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Finding the Fourth Proportional to 6,451.79, 8,906.18 and 5,462.19

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Solution

The fourth proportional to 6,451.79, 8,906.18 and 5,462.19 is: 7,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.79 : 8,906.18 = 5,462.19 : x
  2. Step 2: Convert to fraction form
    6,451.79/8,906.18 = 5,462.19/x
  3. Step 3: Cross multiply
    6,451.79x = 8,906.18 × 5,462.19
  4. Step 4: Simplify right side
    6,451.79x = 48,647,220.02
  5. Step 5: Solve for x
    x = 48,647,220.02/6,451.79
  6. Step 6: Final answer
    x = 7,540.12

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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.