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Finding the Fourth Proportional to 7,268.70, 10,906.65 and 4,151.10

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Solution

The fourth proportional to 7,268.70, 10,906.65 and 4,151.10 is: 6,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.70 : 10,906.65 = 4,151.10 : x
  2. Step 2: Convert to fraction form
    7,268.70/10,906.65 = 4,151.10/x
  3. Step 3: Cross multiply
    7,268.70x = 10,906.65 × 4,151.10
  4. Step 4: Simplify right side
    7,268.70x = 45,274,594.82
  5. Step 5: Solve for x
    x = 45,274,594.82/7,268.70
  6. Step 6: Final answer
    x = 6,228.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.