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Finding the Fourth Proportional to 16,620.93, 22,937.07 and 9,910.41

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Solution

The fourth proportional to 16,620.93, 22,937.07 and 9,910.41 is: 13,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.93 : 22,937.07 = 9,910.41 : x
  2. Step 2: Convert to fraction form
    16,620.93/22,937.07 = 9,910.41/x
  3. Step 3: Cross multiply
    16,620.93x = 22,937.07 × 9,910.41
  4. Step 4: Simplify right side
    16,620.93x = 227,315,767.90
  5. Step 5: Solve for x
    x = 227,315,767.90/16,620.93
  6. Step 6: Final answer
    x = 13,676.48

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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.