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Finding the Fourth Proportional to 16,473.73, 22,733.79 and 8,920.15

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Solution

The fourth proportional to 16,473.73, 22,733.79 and 8,920.15 is: 12,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.73 : 22,733.79 = 8,920.15 : x
  2. Step 2: Convert to fraction form
    16,473.73/22,733.79 = 8,920.15/x
  3. Step 3: Cross multiply
    16,473.73x = 22,733.79 × 8,920.15
  4. Step 4: Simplify right side
    16,473.73x = 202,788,816.87
  5. Step 5: Solve for x
    x = 202,788,816.87/16,473.73
  6. Step 6: Final answer
    x = 12,309.83

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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.