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Finding the Fourth Proportional to 5,891.15, 8,822.02 and 4,127.88

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Solution

The fourth proportional to 5,891.15, 8,822.02 and 4,127.88 is: 6,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.15 : 8,822.02 = 4,127.88 : x
  2. Step 2: Convert to fraction form
    5,891.15/8,822.02 = 4,127.88/x
  3. Step 3: Cross multiply
    5,891.15x = 8,822.02 × 4,127.88
  4. Step 4: Simplify right side
    5,891.15x = 36,416,219.28
  5. Step 5: Solve for x
    x = 36,416,219.28/5,891.15
  6. Step 6: Final answer
    x = 6,181.52

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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.