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Finding the Fourth Proportional to 29,604.54, 40,836.39 and 19,529.40

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Solution

The fourth proportional to 29,604.54, 40,836.39 and 19,529.40 is: 26,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,604.54 : 40,836.39 = 19,529.40 : x
  2. Step 2: Convert to fraction form
    29,604.54/40,836.39 = 19,529.40/x
  3. Step 3: Cross multiply
    29,604.54x = 40,836.39 × 19,529.40
  4. Step 4: Simplify right side
    29,604.54x = 797,510,194.87
  5. Step 5: Solve for x
    x = 797,510,194.87/29,604.54
  6. Step 6: Final answer
    x = 26,938.78

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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.