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Finding the Fourth Proportional to 48,775.80, 73,163.70 and 19,194.60

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Solution

The fourth proportional to 48,775.80, 73,163.70 and 19,194.60 is: 28,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,775.80 : 73,163.70 = 19,194.60 : x
  2. Step 2: Convert to fraction form
    48,775.80/73,163.70 = 19,194.60/x
  3. Step 3: Cross multiply
    48,775.80x = 73,163.70 × 19,194.60
  4. Step 4: Simplify right side
    48,775.80x = 1,404,347,956.02
  5. Step 5: Solve for x
    x = 1,404,347,956.02/48,775.80
  6. Step 6: Final answer
    x = 28,791.90

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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.