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Finding the Fourth Proportional to 16,396, 22,626.48 and 8,944

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Solution

The fourth proportional to 16,396, 22,626.48 and 8,944 is: 12,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396 : 22,626.48 = 8,944 : x
  2. Step 2: Convert to fraction form
    16,396/22,626.48 = 8,944/x
  3. Step 3: Cross multiply
    16,396x = 22,626.48 × 8,944
  4. Step 4: Simplify right side
    16,396x = 202,371,237.12
  5. Step 5: Solve for x
    x = 202,371,237.12/16,396
  6. Step 6: Final answer
    x = 12,342.72

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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.