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Finding the Fourth Proportional to 8,573.93, 12,861.32 and 2,730.99

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Solution

The fourth proportional to 8,573.93, 12,861.32 and 2,730.99 is: 4,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.93 : 12,861.32 = 2,730.99 : x
  2. Step 2: Convert to fraction form
    8,573.93/12,861.32 = 2,730.99/x
  3. Step 3: Cross multiply
    8,573.93x = 12,861.32 × 2,730.99
  4. Step 4: Simplify right side
    8,573.93x = 35,124,136.31
  5. Step 5: Solve for x
    x = 35,124,136.31/8,573.93
  6. Step 6: Final answer
    x = 4,096.62

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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.