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Finding the Fourth Proportional to 6,653,870.30, 9,962,143.05 and 6,467,246.30

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Solution

The fourth proportional to 6,653,870.30, 9,962,143.05 and 6,467,246.30 is: 9,682,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,870.30 : 9,962,143.05 = 6,467,246.30 : x
  2. Step 2: Convert to fraction form
    6,653,870.30/9,962,143.05 = 6,467,246.30/x
  3. Step 3: Cross multiply
    6,653,870.30x = 9,962,143.05 × 6,467,246.30
  4. Step 4: Simplify right side
    6,653,870.30x = 64,427,632,780,183.22
  5. Step 5: Solve for x
    x = 64,427,632,780,183.22/6,653,870.30
  6. Step 6: Final answer
    x = 9,682,730.48

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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.