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Finding the Fourth Proportional to 7,873,906.04, 10,865,990.34 and 4,252,234.04

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Solution

The fourth proportional to 7,873,906.04, 10,865,990.34 and 4,252,234.04 is: 5,868,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,906.04 : 10,865,990.34 = 4,252,234.04 : x
  2. Step 2: Convert to fraction form
    7,873,906.04/10,865,990.34 = 4,252,234.04/x
  3. Step 3: Cross multiply
    7,873,906.04x = 10,865,990.34 × 4,252,234.04
  4. Step 4: Simplify right side
    7,873,906.04x = 46,204,734,002,059.17
  5. Step 5: Solve for x
    x = 46,204,734,002,059.17/7,873,906.04
  6. Step 6: Final answer
    x = 5,868,082.98

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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.