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Finding the Fourth Proportional to 6,163.18, 8,505.21 and 3,368.74

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Solution

The fourth proportional to 6,163.18, 8,505.21 and 3,368.74 is: 4,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.18 : 8,505.21 = 3,368.74 : x
  2. Step 2: Convert to fraction form
    6,163.18/8,505.21 = 3,368.74/x
  3. Step 3: Cross multiply
    6,163.18x = 8,505.21 × 3,368.74
  4. Step 4: Simplify right side
    6,163.18x = 28,651,841.14
  5. Step 5: Solve for x
    x = 28,651,841.14/6,163.18
  6. Step 6: Final answer
    x = 4,648.87

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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.