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Finding the Fourth Proportional to 6,151.96, 8,489.68 and 3,357.46

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Solution

The fourth proportional to 6,151.96, 8,489.68 and 3,357.46 is: 4,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.96 : 8,489.68 = 3,357.46 : x
  2. Step 2: Convert to fraction form
    6,151.96/8,489.68 = 3,357.46/x
  3. Step 3: Cross multiply
    6,151.96x = 8,489.68 × 3,357.46
  4. Step 4: Simplify right side
    6,151.96x = 28,503,761.01
  5. Step 5: Solve for x
    x = 28,503,761.01/6,151.96
  6. Step 6: Final answer
    x = 4,633.28

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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.