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Finding the Fourth Proportional to 29,998.80, 44,961.72 and 21,236.24

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Solution

The fourth proportional to 29,998.80, 44,961.72 and 21,236.24 is: 31,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.80 : 44,961.72 = 21,236.24 : x
  2. Step 2: Convert to fraction form
    29,998.80/44,961.72 = 21,236.24/x
  3. Step 3: Cross multiply
    29,998.80x = 44,961.72 × 21,236.24
  4. Step 4: Simplify right side
    29,998.80x = 954,817,876.73
  5. Step 5: Solve for x
    x = 954,817,876.73/29,998.80
  6. Step 6: Final answer
    x = 31,828.54

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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.