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Finding the Fourth Proportional to 16,650.89, 25,008.12 and 9,644.97

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Solution

The fourth proportional to 16,650.89, 25,008.12 and 9,644.97 is: 14,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.89 : 25,008.12 = 9,644.97 : x
  2. Step 2: Convert to fraction form
    16,650.89/25,008.12 = 9,644.97/x
  3. Step 3: Cross multiply
    16,650.89x = 25,008.12 × 9,644.97
  4. Step 4: Simplify right side
    16,650.89x = 241,202,633.81
  5. Step 5: Solve for x
    x = 241,202,633.81/16,650.89
  6. Step 6: Final answer
    x = 14,485.87

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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.