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Finding the Fourth Proportional to 6,163.20, 8,650.35 and 6,163.20

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Solution

The fourth proportional to 6,163.20, 8,650.35 and 6,163.20 is: 8,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.20 : 8,650.35 = 6,163.20 : x
  2. Step 2: Convert to fraction form
    6,163.20/8,650.35 = 6,163.20/x
  3. Step 3: Cross multiply
    6,163.20x = 8,650.35 × 6,163.20
  4. Step 4: Simplify right side
    6,163.20x = 53,313,837.12
  5. Step 5: Solve for x
    x = 53,313,837.12/6,163.20
  6. Step 6: Final answer
    x = 8,650.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.