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Finding the Fourth Proportional to 29,704.68, 40,998.24 and 19,633.68

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Solution

The fourth proportional to 29,704.68, 40,998.24 and 19,633.68 is: 27,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,704.68 : 40,998.24 = 19,633.68 : x
  2. Step 2: Convert to fraction form
    29,704.68/40,998.24 = 19,633.68/x
  3. Step 3: Cross multiply
    29,704.68x = 40,998.24 × 19,633.68
  4. Step 4: Simplify right side
    29,704.68x = 804,946,324.72
  5. Step 5: Solve for x
    x = 804,946,324.72/29,704.68
  6. Step 6: Final answer
    x = 27,098.30

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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.