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Finding the Fourth Proportional to 3,873.06, 5,809.17 and 2,291.94

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Solution

The fourth proportional to 3,873.06, 5,809.17 and 2,291.94 is: 3,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.06 : 5,809.17 = 2,291.94 : x
  2. Step 2: Convert to fraction form
    3,873.06/5,809.17 = 2,291.94/x
  3. Step 3: Cross multiply
    3,873.06x = 5,809.17 × 2,291.94
  4. Step 4: Simplify right side
    3,873.06x = 13,314,269.09
  5. Step 5: Solve for x
    x = 13,314,269.09/3,873.06
  6. Step 6: Final answer
    x = 3,437.66

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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.