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Finding the Fourth Proportional to 73,289.60, 109,934.40 and 33,923.60

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Solution

The fourth proportional to 73,289.60, 109,934.40 and 33,923.60 is: 50,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,289.60 : 109,934.40 = 33,923.60 : x
  2. Step 2: Convert to fraction form
    73,289.60/109,934.40 = 33,923.60/x
  3. Step 3: Cross multiply
    73,289.60x = 109,934.40 × 33,923.60
  4. Step 4: Simplify right side
    73,289.60x = 3,729,370,611.84
  5. Step 5: Solve for x
    x = 3,729,370,611.84/73,289.60
  6. Step 6: Final answer
    x = 50,885.40

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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.