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Finding the Fourth Proportional to 57,704.94, 86,491.26 and 26,474.58

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Solution

The fourth proportional to 57,704.94, 86,491.26 and 26,474.58 is: 39,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.94 : 86,491.26 = 26,474.58 : x
  2. Step 2: Convert to fraction form
    57,704.94/86,491.26 = 26,474.58/x
  3. Step 3: Cross multiply
    57,704.94x = 86,491.26 × 26,474.58
  4. Step 4: Simplify right side
    57,704.94x = 2,289,819,782.17
  5. Step 5: Solve for x
    x = 2,289,819,782.17/57,704.94
  6. Step 6: Final answer
    x = 39,681.52

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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.