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Finding the Fourth Proportional to 29,520.30, 40,737.87 and 16,944.78

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Solution

The fourth proportional to 29,520.30, 40,737.87 and 16,944.78 is: 23,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,520.30 : 40,737.87 = 16,944.78 : x
  2. Step 2: Convert to fraction form
    29,520.30/40,737.87 = 16,944.78/x
  3. Step 3: Cross multiply
    29,520.30x = 40,737.87 × 16,944.78
  4. Step 4: Simplify right side
    29,520.30x = 690,294,244.82
  5. Step 5: Solve for x
    x = 690,294,244.82/29,520.30
  6. Step 6: Final answer
    x = 23,383.71

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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.