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Finding the Fourth Proportional to 16,488.96, 22,755.06 and 8,935.44

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Solution

The fourth proportional to 16,488.96, 22,755.06 and 8,935.44 is: 12,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.96 : 22,755.06 = 8,935.44 : x
  2. Step 2: Convert to fraction form
    16,488.96/22,755.06 = 8,935.44/x
  3. Step 3: Cross multiply
    16,488.96x = 22,755.06 × 8,935.44
  4. Step 4: Simplify right side
    16,488.96x = 203,326,473.33
  5. Step 5: Solve for x
    x = 203,326,473.33/16,488.96
  6. Step 6: Final answer
    x = 12,331.07

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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.