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Finding the Fourth Proportional to 5,989,793.60, 8,979,441.60 and 3,594,591.20

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Solution

The fourth proportional to 5,989,793.60, 8,979,441.60 and 3,594,591.20 is: 5,388,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,793.60 : 8,979,441.60 = 3,594,591.20 : x
  2. Step 2: Convert to fraction form
    5,989,793.60/8,979,441.60 = 3,594,591.20/x
  3. Step 3: Cross multiply
    5,989,793.60x = 8,979,441.60 × 3,594,591.20
  4. Step 4: Simplify right side
    5,989,793.60x = 32,277,421,756,273.92
  5. Step 5: Solve for x
    x = 32,277,421,756,273.92/5,989,793.60
  6. Step 6: Final answer
    x = 5,388,736.89

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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.