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Finding the Fourth Proportional to 16,310.48, 22,508.48 and 8,858.48

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Solution

The fourth proportional to 16,310.48, 22,508.48 and 8,858.48 is: 12,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.48 : 22,508.48 = 8,858.48 : x
  2. Step 2: Convert to fraction form
    16,310.48/22,508.48 = 8,858.48/x
  3. Step 3: Cross multiply
    16,310.48x = 22,508.48 × 8,858.48
  4. Step 4: Simplify right side
    16,310.48x = 199,390,919.91
  5. Step 5: Solve for x
    x = 199,390,919.91/16,310.48
  6. Step 6: Final answer
    x = 12,224.71

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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.