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Finding the Fourth Proportional to 7,004,082.93, 9,661,958.84 and 5,698,793.85

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Solution

The fourth proportional to 7,004,082.93, 9,661,958.84 and 5,698,793.85 is: 7,861,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004,082.93 : 9,661,958.84 = 5,698,793.85 : x
  2. Step 2: Convert to fraction form
    7,004,082.93/9,661,958.84 = 5,698,793.85/x
  3. Step 3: Cross multiply
    7,004,082.93x = 9,661,958.84 × 5,698,793.85
  4. Step 4: Simplify right side
    7,004,082.93x = 55,061,511,587,851.16
  5. Step 5: Solve for x
    x = 55,061,511,587,851.16/7,004,082.93
  6. Step 6: Final answer
    x = 7,861,344.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.