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Finding the Fourth Proportional to 4,906.96, 6,770.92 and 2,917.08

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Solution

The fourth proportional to 4,906.96, 6,770.92 and 2,917.08 is: 4,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.96 : 6,770.92 = 2,917.08 : x
  2. Step 2: Convert to fraction form
    4,906.96/6,770.92 = 2,917.08/x
  3. Step 3: Cross multiply
    4,906.96x = 6,770.92 × 2,917.08
  4. Step 4: Simplify right side
    4,906.96x = 19,751,315.31
  5. Step 5: Solve for x
    x = 19,751,315.31/4,906.96
  6. Step 6: Final answer
    x = 4,025.16

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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.