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Finding the Fourth Proportional to 6,163.13, 8,505.18 and 3,368.63

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Solution

The fourth proportional to 6,163.13, 8,505.18 and 3,368.63 is: 4,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.13 : 8,505.18 = 3,368.63 : x
  2. Step 2: Convert to fraction form
    6,163.13/8,505.18 = 3,368.63/x
  3. Step 3: Cross multiply
    6,163.13x = 8,505.18 × 3,368.63
  4. Step 4: Simplify right side
    6,163.13x = 28,650,761.98
  5. Step 5: Solve for x
    x = 28,650,761.98/6,163.13
  6. Step 6: Final answer
    x = 4,648.74

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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.