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Finding the Fourth Proportional to 6,659,072.61, 9,984,793.68 and 2,046,857.76

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Solution

The fourth proportional to 6,659,072.61, 9,984,793.68 and 2,046,857.76 is: 3,069,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,072.61 : 9,984,793.68 = 2,046,857.76 : x
  2. Step 2: Convert to fraction form
    6,659,072.61/9,984,793.68 = 2,046,857.76/x
  3. Step 3: Cross multiply
    6,659,072.61x = 9,984,793.68 × 2,046,857.76
  4. Step 4: Simplify right side
    6,659,072.61x = 20,437,452,425,906.96
  5. Step 5: Solve for x
    x = 20,437,452,425,906.96/6,659,072.61
  6. Step 6: Final answer
    x = 3,069,113.92

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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.