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Finding the Fourth Proportional to 16,550.51, 22,839.22 and 8,996.65

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Solution

The fourth proportional to 16,550.51, 22,839.22 and 8,996.65 is: 12,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.51 : 22,839.22 = 8,996.65 : x
  2. Step 2: Convert to fraction form
    16,550.51/22,839.22 = 8,996.65/x
  3. Step 3: Cross multiply
    16,550.51x = 22,839.22 × 8,996.65
  4. Step 4: Simplify right side
    16,550.51x = 205,476,551.23
  5. Step 5: Solve for x
    x = 205,476,551.23/16,550.51
  6. Step 6: Final answer
    x = 12,415.12

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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.