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Finding the Fourth Proportional to 5,327.94, 7,986.50 and 2,550.54

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Solution

The fourth proportional to 5,327.94, 7,986.50 and 2,550.54 is: 3,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.94 : 7,986.50 = 2,550.54 : x
  2. Step 2: Convert to fraction form
    5,327.94/7,986.50 = 2,550.54/x
  3. Step 3: Cross multiply
    5,327.94x = 7,986.50 × 2,550.54
  4. Step 4: Simplify right side
    5,327.94x = 20,369,887.71
  5. Step 5: Solve for x
    x = 20,369,887.71/5,327.94
  6. Step 6: Final answer
    x = 3,823.22

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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.