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Finding the Fourth Proportional to 16,644.94, 22,969.90 and 9,091.27

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Solution

The fourth proportional to 16,644.94, 22,969.90 and 9,091.27 is: 12,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,644.94 : 22,969.90 = 9,091.27 : x
  2. Step 2: Convert to fraction form
    16,644.94/22,969.90 = 9,091.27/x
  3. Step 3: Cross multiply
    16,644.94x = 22,969.90 × 9,091.27
  4. Step 4: Simplify right side
    16,644.94x = 208,825,577.28
  5. Step 5: Solve for x
    x = 208,825,577.28/16,644.94
  6. Step 6: Final answer
    x = 12,545.89

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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.