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Finding the Fourth Proportional to 5,699.78, 8,550.57 and 2,412.89

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Solution

The fourth proportional to 5,699.78, 8,550.57 and 2,412.89 is: 3,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.78 : 8,550.57 = 2,412.89 : x
  2. Step 2: Convert to fraction form
    5,699.78/8,550.57 = 2,412.89/x
  3. Step 3: Cross multiply
    5,699.78x = 8,550.57 × 2,412.89
  4. Step 4: Simplify right side
    5,699.78x = 20,631,542.09
  5. Step 5: Solve for x
    x = 20,631,542.09/5,699.78
  6. Step 6: Final answer
    x = 3,619.71

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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.