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Finding the Fourth Proportional to 22,791.96, 34,167.60 and 12,267.63

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Solution

The fourth proportional to 22,791.96, 34,167.60 and 12,267.63 is: 18,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.96 : 34,167.60 = 12,267.63 : x
  2. Step 2: Convert to fraction form
    22,791.96/34,167.60 = 12,267.63/x
  3. Step 3: Cross multiply
    22,791.96x = 34,167.60 × 12,267.63
  4. Step 4: Simplify right side
    22,791.96x = 419,155,474.79
  5. Step 5: Solve for x
    x = 419,155,474.79/22,791.96
  6. Step 6: Final answer
    x = 18,390.50

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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.