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Finding the Fourth Proportional to 5,757.86, 8,637.60 and 2,836.19

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Solution

The fourth proportional to 5,757.86, 8,637.60 and 2,836.19 is: 4,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.86 : 8,637.60 = 2,836.19 : x
  2. Step 2: Convert to fraction form
    5,757.86/8,637.60 = 2,836.19/x
  3. Step 3: Cross multiply
    5,757.86x = 8,637.60 × 2,836.19
  4. Step 4: Simplify right side
    5,757.86x = 24,497,874.74
  5. Step 5: Solve for x
    x = 24,497,874.74/5,757.86
  6. Step 6: Final answer
    x = 4,254.68

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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.