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Finding the Fourth Proportional to 22,791.86, 34,176.53 and 6,993.11

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Solution

The fourth proportional to 22,791.86, 34,176.53 and 6,993.11 is: 10,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.86 : 34,176.53 = 6,993.11 : x
  2. Step 2: Convert to fraction form
    22,791.86/34,176.53 = 6,993.11/x
  3. Step 3: Cross multiply
    22,791.86x = 34,176.53 × 6,993.11
  4. Step 4: Simplify right side
    22,791.86x = 239,000,027.86
  5. Step 5: Solve for x
    x = 239,000,027.86/22,791.86
  6. Step 6: Final answer
    x = 10,486.20

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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.