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Finding the Fourth Proportional to 5,766.77, 8,651.54 and 1,871.18

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Solution

The fourth proportional to 5,766.77, 8,651.54 and 1,871.18 is: 2,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.77 : 8,651.54 = 1,871.18 : x
  2. Step 2: Convert to fraction form
    5,766.77/8,651.54 = 1,871.18/x
  3. Step 3: Cross multiply
    5,766.77x = 8,651.54 × 1,871.18
  4. Step 4: Simplify right side
    5,766.77x = 16,188,536.00
  5. Step 5: Solve for x
    x = 16,188,536.00/5,766.77
  6. Step 6: Final answer
    x = 2,807.21

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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.