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Finding the Fourth Proportional to 57,351.43, 86,024.11 and 17,904.03

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Solution

The fourth proportional to 57,351.43, 86,024.11 and 17,904.03 is: 26,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.43 : 86,024.11 = 17,904.03 : x
  2. Step 2: Convert to fraction form
    57,351.43/86,024.11 = 17,904.03/x
  3. Step 3: Cross multiply
    57,351.43x = 86,024.11 × 17,904.03
  4. Step 4: Simplify right side
    57,351.43x = 1,540,178,246.16
  5. Step 5: Solve for x
    x = 1,540,178,246.16/57,351.43
  6. Step 6: Final answer
    x = 26,855.10

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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.