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Finding the Fourth Proportional to 57,168.74, 85,782.36 and 27,216.84

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Solution

The fourth proportional to 57,168.74, 85,782.36 and 27,216.84 is: 40,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.74 : 85,782.36 = 27,216.84 : x
  2. Step 2: Convert to fraction form
    57,168.74/85,782.36 = 27,216.84/x
  3. Step 3: Cross multiply
    57,168.74x = 85,782.36 × 27,216.84
  4. Step 4: Simplify right side
    57,168.74x = 2,334,724,766.94
  5. Step 5: Solve for x
    x = 2,334,724,766.94/57,168.74
  6. Step 6: Final answer
    x = 40,839.19

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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.