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Finding the Fourth Proportional to 16,371.63, 22,592.85 and 8,919.63

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Solution

The fourth proportional to 16,371.63, 22,592.85 and 8,919.63 is: 12,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.63 : 22,592.85 = 8,919.63 : x
  2. Step 2: Convert to fraction form
    16,371.63/22,592.85 = 8,919.63/x
  3. Step 3: Cross multiply
    16,371.63x = 22,592.85 × 8,919.63
  4. Step 4: Simplify right side
    16,371.63x = 201,519,862.65
  5. Step 5: Solve for x
    x = 201,519,862.65/16,371.63
  6. Step 6: Final answer
    x = 12,309.09

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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.