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Finding the Fourth Proportional to 16,319.25, 22,520.57 and 8,867.25

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Solution

The fourth proportional to 16,319.25, 22,520.57 and 8,867.25 is: 12,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.25 : 22,520.57 = 8,867.25 : x
  2. Step 2: Convert to fraction form
    16,319.25/22,520.57 = 8,867.25/x
  3. Step 3: Cross multiply
    16,319.25x = 22,520.57 × 8,867.25
  4. Step 4: Simplify right side
    16,319.25x = 199,695,480.00
  5. Step 5: Solve for x
    x = 199,695,480.00/16,319.25
  6. Step 6: Final answer
    x = 12,236.81

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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.