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Finding the Fourth Proportional to 3,803.83, 5,255.99 and 2,927.21

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Solution

The fourth proportional to 3,803.83, 5,255.99 and 2,927.21 is: 4,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.83 : 5,255.99 = 2,927.21 : x
  2. Step 2: Convert to fraction form
    3,803.83/5,255.99 = 2,927.21/x
  3. Step 3: Cross multiply
    3,803.83x = 5,255.99 × 2,927.21
  4. Step 4: Simplify right side
    3,803.83x = 15,385,356.55
  5. Step 5: Solve for x
    x = 15,385,356.55/3,803.83
  6. Step 6: Final answer
    x = 4,044.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.