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Finding the Fourth Proportional to 57,373.20, 86,124.60 and 44,283.60

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Solution

The fourth proportional to 57,373.20, 86,124.60 and 44,283.60 is: 66,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,373.20 : 86,124.60 = 44,283.60 : x
  2. Step 2: Convert to fraction form
    57,373.20/86,124.60 = 44,283.60/x
  3. Step 3: Cross multiply
    57,373.20x = 86,124.60 × 44,283.60
  4. Step 4: Simplify right side
    57,373.20x = 3,813,907,336.56
  5. Step 5: Solve for x
    x = 3,813,907,336.56/57,373.20
  6. Step 6: Final answer
    x = 66,475.42

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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.