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Finding the Fourth Proportional to 5,906.79, 8,860.19 and 2,011.20

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Solution

The fourth proportional to 5,906.79, 8,860.19 and 2,011.20 is: 3,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.79 : 8,860.19 = 2,011.20 : x
  2. Step 2: Convert to fraction form
    5,906.79/8,860.19 = 2,011.20/x
  3. Step 3: Cross multiply
    5,906.79x = 8,860.19 × 2,011.20
  4. Step 4: Simplify right side
    5,906.79x = 17,819,570.85
  5. Step 5: Solve for x
    x = 17,819,570.85/5,906.79
  6. Step 6: Final answer
    x = 3,016.79

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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.