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Finding the Fourth Proportional to 16,612.98, 22,910.97 and 10,945.68

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Solution

The fourth proportional to 16,612.98, 22,910.97 and 10,945.68 is: 15,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.98 : 22,910.97 = 10,945.68 : x
  2. Step 2: Convert to fraction form
    16,612.98/22,910.97 = 10,945.68/x
  3. Step 3: Cross multiply
    16,612.98x = 22,910.97 × 10,945.68
  4. Step 4: Simplify right side
    16,612.98x = 250,776,146.11
  5. Step 5: Solve for x
    x = 250,776,146.11/16,612.98
  6. Step 6: Final answer
    x = 15,095.19

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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.