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Finding the Fourth Proportional to 6,803.76, 10,208.52 and 2,855.90

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Solution

The fourth proportional to 6,803.76, 10,208.52 and 2,855.90 is: 4,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.76 : 10,208.52 = 2,855.90 : x
  2. Step 2: Convert to fraction form
    6,803.76/10,208.52 = 2,855.90/x
  3. Step 3: Cross multiply
    6,803.76x = 10,208.52 × 2,855.90
  4. Step 4: Simplify right side
    6,803.76x = 29,154,512.27
  5. Step 5: Solve for x
    x = 29,154,512.27/6,803.76
  6. Step 6: Final answer
    x = 4,285.06

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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.