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Finding the Fourth Proportional to 3,801.55, 5,700.87 and 1,826.63

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Solution

The fourth proportional to 3,801.55, 5,700.87 and 1,826.63 is: 2,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.55 : 5,700.87 = 1,826.63 : x
  2. Step 2: Convert to fraction form
    3,801.55/5,700.87 = 1,826.63/x
  3. Step 3: Cross multiply
    3,801.55x = 5,700.87 × 1,826.63
  4. Step 4: Simplify right side
    3,801.55x = 10,413,351.66
  5. Step 5: Solve for x
    x = 10,413,351.66/3,801.55
  6. Step 6: Final answer
    x = 2,739.24

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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.