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Finding the Fourth Proportional to 6,540,609.62, 9,811,001.89 and 2,052,885.62

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Solution

The fourth proportional to 6,540,609.62, 9,811,001.89 and 2,052,885.62 is: 3,079,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540,609.62 : 9,811,001.89 = 2,052,885.62 : x
  2. Step 2: Convert to fraction form
    6,540,609.62/9,811,001.89 = 2,052,885.62/x
  3. Step 3: Cross multiply
    6,540,609.62x = 9,811,001.89 × 2,052,885.62
  4. Step 4: Simplify right side
    6,540,609.62x = 20,140,864,648,718.81
  5. Step 5: Solve for x
    x = 20,140,864,648,718.81/6,540,609.62
  6. Step 6: Final answer
    x = 3,079,355.88

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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.