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Finding the Fourth Proportional to 6,163.42, 8,505.63 and 3,368.86

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Solution

The fourth proportional to 6,163.42, 8,505.63 and 3,368.86 is: 4,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.42 : 8,505.63 = 3,368.86 : x
  2. Step 2: Convert to fraction form
    6,163.42/8,505.63 = 3,368.86/x
  3. Step 3: Cross multiply
    6,163.42x = 8,505.63 × 3,368.86
  4. Step 4: Simplify right side
    6,163.42x = 28,654,276.68
  5. Step 5: Solve for x
    x = 28,654,276.68/6,163.42
  6. Step 6: Final answer
    x = 4,649.09

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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.