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Finding the Fourth Proportional to 16,433.44, 22,678.14 and 8,981.44

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Solution

The fourth proportional to 16,433.44, 22,678.14 and 8,981.44 is: 12,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,433.44 : 22,678.14 = 8,981.44 : x
  2. Step 2: Convert to fraction form
    16,433.44/22,678.14 = 8,981.44/x
  3. Step 3: Cross multiply
    16,433.44x = 22,678.14 × 8,981.44
  4. Step 4: Simplify right side
    16,433.44x = 203,682,330.71
  5. Step 5: Solve for x
    x = 203,682,330.71/16,433.44
  6. Step 6: Final answer
    x = 12,394.38

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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.