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Finding the Fourth Proportional to 48,806.80, 73,037.40 and 44,659.60

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Solution

The fourth proportional to 48,806.80, 73,037.40 and 44,659.60 is: 66,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,806.80 : 73,037.40 = 44,659.60 : x
  2. Step 2: Convert to fraction form
    48,806.80/73,037.40 = 44,659.60/x
  3. Step 3: Cross multiply
    48,806.80x = 73,037.40 × 44,659.60
  4. Step 4: Simplify right side
    48,806.80x = 3,261,821,069.04
  5. Step 5: Solve for x
    x = 3,261,821,069.04/48,806.80
  6. Step 6: Final answer
    x = 66,831.28

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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.