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Finding the Fourth Proportional to 16,874.76, 23,279.43 and 9,799.82

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Solution

The fourth proportional to 16,874.76, 23,279.43 and 9,799.82 is: 13,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.76 : 23,279.43 = 9,799.82 : x
  2. Step 2: Convert to fraction form
    16,874.76/23,279.43 = 9,799.82/x
  3. Step 3: Cross multiply
    16,874.76x = 23,279.43 × 9,799.82
  4. Step 4: Simplify right side
    16,874.76x = 228,134,107.31
  5. Step 5: Solve for x
    x = 228,134,107.31/16,874.76
  6. Step 6: Final answer
    x = 13,519.25

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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.