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Finding the Fourth Proportional to 3,251.98, 4,487.79 and 1,835.95

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Solution

The fourth proportional to 3,251.98, 4,487.79 and 1,835.95 is: 2,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.98 : 4,487.79 = 1,835.95 : x
  2. Step 2: Convert to fraction form
    3,251.98/4,487.79 = 1,835.95/x
  3. Step 3: Cross multiply
    3,251.98x = 4,487.79 × 1,835.95
  4. Step 4: Simplify right side
    3,251.98x = 8,239,358.05
  5. Step 5: Solve for x
    x = 8,239,358.05/3,251.98
  6. Step 6: Final answer
    x = 2,533.64

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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.