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Finding the Fourth Proportional to 5,776.79, 8,664.44 and 2,266.65

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Solution

The fourth proportional to 5,776.79, 8,664.44 and 2,266.65 is: 3,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.79 : 8,664.44 = 2,266.65 : x
  2. Step 2: Convert to fraction form
    5,776.79/8,664.44 = 2,266.65/x
  3. Step 3: Cross multiply
    5,776.79x = 8,664.44 × 2,266.65
  4. Step 4: Simplify right side
    5,776.79x = 19,639,241.59
  5. Step 5: Solve for x
    x = 19,639,241.59/5,776.79
  6. Step 6: Final answer
    x = 3,399.68

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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.