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Finding the Fourth Proportional to 6,513.43, 8,993.67 and 6,015.86

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Solution

The fourth proportional to 6,513.43, 8,993.67 and 6,015.86 is: 8,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.43 : 8,993.67 = 6,015.86 : x
  2. Step 2: Convert to fraction form
    6,513.43/8,993.67 = 6,015.86/x
  3. Step 3: Cross multiply
    6,513.43x = 8,993.67 × 6,015.86
  4. Step 4: Simplify right side
    6,513.43x = 54,104,659.61
  5. Step 5: Solve for x
    x = 54,104,659.61/6,513.43
  6. Step 6: Final answer
    x = 8,306.63

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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.