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Finding the Fourth Proportional to 6,706.60, 10,061.02 and 2,811.30

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Solution

The fourth proportional to 6,706.60, 10,061.02 and 2,811.30 is: 4,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,706.60 : 10,061.02 = 2,811.30 : x
  2. Step 2: Convert to fraction form
    6,706.60/10,061.02 = 2,811.30/x
  3. Step 3: Cross multiply
    6,706.60x = 10,061.02 × 2,811.30
  4. Step 4: Simplify right side
    6,706.60x = 28,284,545.53
  5. Step 5: Solve for x
    x = 28,284,545.53/6,706.60
  6. Step 6: Final answer
    x = 4,217.42

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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.