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Finding the Fourth Proportional to 6,512.27, 8,984.86 and 3,993.17

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Solution

The fourth proportional to 6,512.27, 8,984.86 and 3,993.17 is: 5,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.27 : 8,984.86 = 3,993.17 : x
  2. Step 2: Convert to fraction form
    6,512.27/8,984.86 = 3,993.17/x
  3. Step 3: Cross multiply
    6,512.27x = 8,984.86 × 3,993.17
  4. Step 4: Simplify right side
    6,512.27x = 35,878,018.50
  5. Step 5: Solve for x
    x = 35,878,018.50/6,512.27
  6. Step 6: Final answer
    x = 5,509.30

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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.