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Finding the Fourth Proportional to 3,323.68, 4,985.53 and 1,843.81

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Solution

The fourth proportional to 3,323.68, 4,985.53 and 1,843.81 is: 2,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.68 : 4,985.53 = 1,843.81 : x
  2. Step 2: Convert to fraction form
    3,323.68/4,985.53 = 1,843.81/x
  3. Step 3: Cross multiply
    3,323.68x = 4,985.53 × 1,843.81
  4. Step 4: Simplify right side
    3,323.68x = 9,192,370.07
  5. Step 5: Solve for x
    x = 9,192,370.07/3,323.68
  6. Step 6: Final answer
    x = 2,765.72

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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.