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Finding the Fourth Proportional to 16,433.25, 22,677.89 and 8,981.25

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Solution

The fourth proportional to 16,433.25, 22,677.89 and 8,981.25 is: 12,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,433.25 : 22,677.89 = 8,981.25 : x
  2. Step 2: Convert to fraction form
    16,433.25/22,677.89 = 8,981.25/x
  3. Step 3: Cross multiply
    16,433.25x = 22,677.89 × 8,981.25
  4. Step 4: Simplify right side
    16,433.25x = 203,675,754.66
  5. Step 5: Solve for x
    x = 203,675,754.66/16,433.25
  6. Step 6: Final answer
    x = 12,394.13

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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.