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Finding the Fourth Proportional to 16,326.75, 22,530.93 and 8,874.75

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Solution

The fourth proportional to 16,326.75, 22,530.93 and 8,874.75 is: 12,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.75 : 22,530.93 = 8,874.75 : x
  2. Step 2: Convert to fraction form
    16,326.75/22,530.93 = 8,874.75/x
  3. Step 3: Cross multiply
    16,326.75x = 22,530.93 × 8,874.75
  4. Step 4: Simplify right side
    16,326.75x = 199,956,371.02
  5. Step 5: Solve for x
    x = 199,956,371.02/16,326.75
  6. Step 6: Final answer
    x = 12,247.16

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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.