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Finding the Fourth Proportional to 16,644.60, 22,948.11 and 11,869.99

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Solution

The fourth proportional to 16,644.60, 22,948.11 and 11,869.99 is: 16,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,644.60 : 22,948.11 = 11,869.99 : x
  2. Step 2: Convert to fraction form
    16,644.60/22,948.11 = 11,869.99/x
  3. Step 3: Cross multiply
    16,644.60x = 22,948.11 × 11,869.99
  4. Step 4: Simplify right side
    16,644.60x = 272,393,778.85
  5. Step 5: Solve for x
    x = 272,393,778.85/16,644.60
  6. Step 6: Final answer
    x = 16,365.29

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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.