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Finding the Fourth Proportional to 16,608.50, 22,917.90 and 9,893.21

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Solution

The fourth proportional to 16,608.50, 22,917.90 and 9,893.21 is: 13,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.50 : 22,917.90 = 9,893.21 : x
  2. Step 2: Convert to fraction form
    16,608.50/22,917.90 = 9,893.21/x
  3. Step 3: Cross multiply
    16,608.50x = 22,917.90 × 9,893.21
  4. Step 4: Simplify right side
    16,608.50x = 226,731,597.46
  5. Step 5: Solve for x
    x = 226,731,597.46/16,608.50
  6. Step 6: Final answer
    x = 13,651.54

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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.