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Finding the Fourth Proportional to 16,663.75, 22,996.25 and 9,949.97

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Solution

The fourth proportional to 16,663.75, 22,996.25 and 9,949.97 is: 13,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.75 : 22,996.25 = 9,949.97 : x
  2. Step 2: Convert to fraction form
    16,663.75/22,996.25 = 9,949.97/x
  3. Step 3: Cross multiply
    16,663.75x = 22,996.25 × 9,949.97
  4. Step 4: Simplify right side
    16,663.75x = 228,811,907.51
  5. Step 5: Solve for x
    x = 228,811,907.51/16,663.75
  6. Step 6: Final answer
    x = 13,731.12

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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.