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Finding the Fourth Proportional to 6,804,956.80, 10,207,435.20 and 4,891,769.20

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Solution

The fourth proportional to 6,804,956.80, 10,207,435.20 and 4,891,769.20 is: 7,337,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804,956.80 : 10,207,435.20 = 4,891,769.20 : x
  2. Step 2: Convert to fraction form
    6,804,956.80/10,207,435.20 = 4,891,769.20/x
  3. Step 3: Cross multiply
    6,804,956.80x = 10,207,435.20 × 4,891,769.20
  4. Step 4: Simplify right side
    6,804,956.80x = 49,932,417,122,355.84
  5. Step 5: Solve for x
    x = 49,932,417,122,355.84/6,804,956.80
  6. Step 6: Final answer
    x = 7,337,653.80

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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.