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Finding the Fourth Proportional to 33,612,811.20, 50,419,216.80 and 22,133,685.60

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Solution

The fourth proportional to 33,612,811.20, 50,419,216.80 and 22,133,685.60 is: 33,200,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612,811.20 : 50,419,216.80 = 22,133,685.60 : x
  2. Step 2: Convert to fraction form
    33,612,811.20/50,419,216.80 = 22,133,685.60/x
  3. Step 3: Cross multiply
    33,612,811.20x = 50,419,216.80 × 22,133,685.60
  4. Step 4: Simplify right side
    33,612,811.20x = 1,115,963,092,849,438.12
  5. Step 5: Solve for x
    x = 1,115,963,092,849,438.12/33,612,811.20
  6. Step 6: Final answer
    x = 33,200,528.40

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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.