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Finding the Fourth Proportional to 16,620.22, 22,934.31 and 9,167.74

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Solution

The fourth proportional to 16,620.22, 22,934.31 and 9,167.74 is: 12,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.22 : 22,934.31 = 9,167.74 : x
  2. Step 2: Convert to fraction form
    16,620.22/22,934.31 = 9,167.74/x
  3. Step 3: Cross multiply
    16,620.22x = 22,934.31 × 9,167.74
  4. Step 4: Simplify right side
    16,620.22x = 210,255,791.16
  5. Step 5: Solve for x
    x = 210,255,791.16/16,620.22
  6. Step 6: Final answer
    x = 12,650.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.