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Finding the Fourth Proportional to 6,540,728.67, 9,811,136.75 and 2,280,880.35

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Solution

The fourth proportional to 6,540,728.67, 9,811,136.75 and 2,280,880.35 is: 3,421,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540,728.67 : 9,811,136.75 = 2,280,880.35 : x
  2. Step 2: Convert to fraction form
    6,540,728.67/9,811,136.75 = 2,280,880.35/x
  3. Step 3: Cross multiply
    6,540,728.67x = 9,811,136.75 × 2,280,880.35
  4. Step 4: Simplify right side
    6,540,728.67x = 22,378,029,012,833.46
  5. Step 5: Solve for x
    x = 22,378,029,012,833.46/6,540,728.67
  6. Step 6: Final answer
    x = 3,421,335.78

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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.