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Finding the Fourth Proportional to 3,244.12, 4,871.02 and 1,859.02

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Solution

The fourth proportional to 3,244.12, 4,871.02 and 1,859.02 is: 2,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.12 : 4,871.02 = 1,859.02 : x
  2. Step 2: Convert to fraction form
    3,244.12/4,871.02 = 1,859.02/x
  3. Step 3: Cross multiply
    3,244.12x = 4,871.02 × 1,859.02
  4. Step 4: Simplify right side
    3,244.12x = 9,055,323.60
  5. Step 5: Solve for x
    x = 9,055,323.60/3,244.12
  6. Step 6: Final answer
    x = 2,791.30

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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.