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Finding the Fourth Proportional to 57,807.72, 86,751 and 26,643.24

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Solution

The fourth proportional to 57,807.72, 86,751 and 26,643.24 is: 39,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.72 : 86,751 = 26,643.24 : x
  2. Step 2: Convert to fraction form
    57,807.72/86,751 = 26,643.24/x
  3. Step 3: Cross multiply
    57,807.72x = 86,751 × 26,643.24
  4. Step 4: Simplify right side
    57,807.72x = 2,311,327,713.24
  5. Step 5: Solve for x
    x = 2,311,327,713.24/57,807.72
  6. Step 6: Final answer
    x = 39,983.03

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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.