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Finding the Fourth Proportional to 6,354,684.80, 8,769,523.72 and 3,454,082.48

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Solution

The fourth proportional to 6,354,684.80, 8,769,523.72 and 3,454,082.48 is: 4,766,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354,684.80 : 8,769,523.72 = 3,454,082.48 : x
  2. Step 2: Convert to fraction form
    6,354,684.80/8,769,523.72 = 3,454,082.48/x
  3. Step 3: Cross multiply
    6,354,684.80x = 8,769,523.72 × 3,454,082.48
  4. Step 4: Simplify right side
    6,354,684.80x = 30,290,658,239,196.43
  5. Step 5: Solve for x
    x = 30,290,658,239,196.43/6,354,684.80
  6. Step 6: Final answer
    x = 4,766,665.73

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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.