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Finding the Fourth Proportional to 57,704.63, 86,571.54 and 17,725.59

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Solution

The fourth proportional to 57,704.63, 86,571.54 and 17,725.59 is: 26,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.63 : 86,571.54 = 17,725.59 : x
  2. Step 2: Convert to fraction form
    57,704.63/86,571.54 = 17,725.59/x
  3. Step 3: Cross multiply
    57,704.63x = 86,571.54 × 17,725.59
  4. Step 4: Simplify right side
    57,704.63x = 1,534,531,623.71
  5. Step 5: Solve for x
    x = 1,534,531,623.71/57,704.63
  6. Step 6: Final answer
    x = 26,592.87

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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.