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Finding the Fourth Proportional to 23,713.31, 32,750.78 and 18,399.99

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Solution

The fourth proportional to 23,713.31, 32,750.78 and 18,399.99 is: 25,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,713.31 : 32,750.78 = 18,399.99 : x
  2. Step 2: Convert to fraction form
    23,713.31/32,750.78 = 18,399.99/x
  3. Step 3: Cross multiply
    23,713.31x = 32,750.78 × 18,399.99
  4. Step 4: Simplify right side
    23,713.31x = 602,614,024.49
  5. Step 5: Solve for x
    x = 602,614,024.49/23,713.31
  6. Step 6: Final answer
    x = 25,412.48

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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.