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Finding the Fourth Proportional to 2,610.99, 3,908.79 and 2,286.99

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Solution

The fourth proportional to 2,610.99, 3,908.79 and 2,286.99 is: 3,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.99 : 3,908.79 = 2,286.99 : x
  2. Step 2: Convert to fraction form
    2,610.99/3,908.79 = 2,286.99/x
  3. Step 3: Cross multiply
    2,610.99x = 3,908.79 × 2,286.99
  4. Step 4: Simplify right side
    2,610.99x = 8,939,363.64
  5. Step 5: Solve for x
    x = 8,939,363.64/2,610.99
  6. Step 6: Final answer
    x = 3,423.74

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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.