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Finding the Fourth Proportional to 14,791.80, 22,197.30 and 8,551.80

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Solution

The fourth proportional to 14,791.80, 22,197.30 and 8,551.80 is: 12,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.80 : 22,197.30 = 8,551.80 : x
  2. Step 2: Convert to fraction form
    14,791.80/22,197.30 = 8,551.80/x
  3. Step 3: Cross multiply
    14,791.80x = 22,197.30 × 8,551.80
  4. Step 4: Simplify right side
    14,791.80x = 189,826,870.14
  5. Step 5: Solve for x
    x = 189,826,870.14/14,791.80
  6. Step 6: Final answer
    x = 12,833.25

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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.