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Finding the Fourth Proportional to 57,773.20, 86,724.60 and 44,683.60

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Solution

The fourth proportional to 57,773.20, 86,724.60 and 44,683.60 is: 67,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.20 : 86,724.60 = 44,683.60 : x
  2. Step 2: Convert to fraction form
    57,773.20/86,724.60 = 44,683.60/x
  3. Step 3: Cross multiply
    57,773.20x = 86,724.60 × 44,683.60
  4. Step 4: Simplify right side
    57,773.20x = 3,875,167,336.56
  5. Step 5: Solve for x
    x = 3,875,167,336.56/57,773.20
  6. Step 6: Final answer
    x = 67,075.52

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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.