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Finding the Fourth Proportional to 16,610.82, 24,911.99 and 4,921.31

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Solution

The fourth proportional to 16,610.82, 24,911.99 and 4,921.31 is: 7,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.82 : 24,911.99 = 4,921.31 : x
  2. Step 2: Convert to fraction form
    16,610.82/24,911.99 = 4,921.31/x
  3. Step 3: Cross multiply
    16,610.82x = 24,911.99 × 4,921.31
  4. Step 4: Simplify right side
    16,610.82x = 122,599,476.34
  5. Step 5: Solve for x
    x = 122,599,476.34/16,610.82
  6. Step 6: Final answer
    x = 7,380.70

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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.