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Finding the Fourth Proportional to 29,204.70, 43,806.63 and 19,821.42

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Solution

The fourth proportional to 29,204.70, 43,806.63 and 19,821.42 is: 29,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,204.70 : 43,806.63 = 19,821.42 : x
  2. Step 2: Convert to fraction form
    29,204.70/43,806.63 = 19,821.42/x
  3. Step 3: Cross multiply
    29,204.70x = 43,806.63 × 19,821.42
  4. Step 4: Simplify right side
    29,204.70x = 868,309,612.01
  5. Step 5: Solve for x
    x = 868,309,612.01/29,204.70
  6. Step 6: Final answer
    x = 29,731.84

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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.