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Finding the Fourth Proportional to 20,016.41, 29,983.07 and 11,671.11

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Solution

The fourth proportional to 20,016.41, 29,983.07 and 11,671.11 is: 17,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.41 : 29,983.07 = 11,671.11 : x
  2. Step 2: Convert to fraction form
    20,016.41/29,983.07 = 11,671.11/x
  3. Step 3: Cross multiply
    20,016.41x = 29,983.07 × 11,671.11
  4. Step 4: Simplify right side
    20,016.41x = 349,935,649.75
  5. Step 5: Solve for x
    x = 349,935,649.75/20,016.41
  6. Step 6: Final answer
    x = 17,482.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.