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Finding the Fourth Proportional to 6,165.95, 8,511.21 and 3,650.22

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Solution

The fourth proportional to 6,165.95, 8,511.21 and 3,650.22 is: 5,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.95 : 8,511.21 = 3,650.22 : x
  2. Step 2: Convert to fraction form
    6,165.95/8,511.21 = 3,650.22/x
  3. Step 3: Cross multiply
    6,165.95x = 8,511.21 × 3,650.22
  4. Step 4: Simplify right side
    6,165.95x = 31,067,788.97
  5. Step 5: Solve for x
    x = 31,067,788.97/6,165.95
  6. Step 6: Final answer
    x = 5,038.61

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Double scale
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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.