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Finding the Fourth Proportional to 19,383.43, 29,207.03 and 15,950.43

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Solution

The fourth proportional to 19,383.43, 29,207.03 and 15,950.43 is: 24,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.43 : 29,207.03 = 15,950.43 : x
  2. Step 2: Convert to fraction form
    19,383.43/29,207.03 = 15,950.43/x
  3. Step 3: Cross multiply
    19,383.43x = 29,207.03 × 15,950.43
  4. Step 4: Simplify right side
    19,383.43x = 465,864,727.40
  5. Step 5: Solve for x
    x = 465,864,727.40/19,383.43
  6. Step 6: Final answer
    x = 24,034.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.