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Finding the Fourth Proportional to 56,757.72, 85,149.92 and 17,314.84

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Solution

The fourth proportional to 56,757.72, 85,149.92 and 17,314.84 is: 25,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,757.72 : 85,149.92 = 17,314.84 : x
  2. Step 2: Convert to fraction form
    56,757.72/85,149.92 = 17,314.84/x
  3. Step 3: Cross multiply
    56,757.72x = 85,149.92 × 17,314.84
  4. Step 4: Simplify right side
    56,757.72x = 1,474,357,240.81
  5. Step 5: Solve for x
    x = 1,474,357,240.81/56,757.72
  6. Step 6: Final answer
    x = 25,976.33

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1.5x scale

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.