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Finding the Fourth Proportional to 7,992.85, 11,995.55 and 5,544.89

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Solution

The fourth proportional to 7,992.85, 11,995.55 and 5,544.89 is: 8,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.85 : 11,995.55 = 5,544.89 : x
  2. Step 2: Convert to fraction form
    7,992.85/11,995.55 = 5,544.89/x
  3. Step 3: Cross multiply
    7,992.85x = 11,995.55 × 5,544.89
  4. Step 4: Simplify right side
    7,992.85x = 66,513,977.52
  5. Step 5: Solve for x
    x = 66,513,977.52/7,992.85
  6. Step 6: Final answer
    x = 8,321.69

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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.