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Finding the Fourth Proportional to 3,713.02, 5,566.29 and 1,861.54

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Solution

The fourth proportional to 3,713.02, 5,566.29 and 1,861.54 is: 2,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.02 : 5,566.29 = 1,861.54 : x
  2. Step 2: Convert to fraction form
    3,713.02/5,566.29 = 1,861.54/x
  3. Step 3: Cross multiply
    3,713.02x = 5,566.29 × 1,861.54
  4. Step 4: Simplify right side
    3,713.02x = 10,361,871.49
  5. Step 5: Solve for x
    x = 10,361,871.49/3,713.02
  6. Step 6: Final answer
    x = 2,790.69

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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.