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Finding the Fourth Proportional to 56,704.44, 85,050.56 and 17,261.88

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Solution

The fourth proportional to 56,704.44, 85,050.56 and 17,261.88 is: 25,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,704.44 : 85,050.56 = 17,261.88 : x
  2. Step 2: Convert to fraction form
    56,704.44/85,050.56 = 17,261.88/x
  3. Step 3: Cross multiply
    56,704.44x = 85,050.56 × 17,261.88
  4. Step 4: Simplify right side
    56,704.44x = 1,468,132,560.65
  5. Step 5: Solve for x
    x = 1,468,132,560.65/56,704.44
  6. Step 6: Final answer
    x = 25,890.96

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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.