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Finding the Fourth Proportional to 3,323.09, 4,986.12 and 1,862.24

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Solution

The fourth proportional to 3,323.09, 4,986.12 and 1,862.24 is: 2,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.09 : 4,986.12 = 1,862.24 : x
  2. Step 2: Convert to fraction form
    3,323.09/4,986.12 = 1,862.24/x
  3. Step 3: Cross multiply
    3,323.09x = 4,986.12 × 1,862.24
  4. Step 4: Simplify right side
    3,323.09x = 9,285,352.11
  5. Step 5: Solve for x
    x = 9,285,352.11/3,323.09
  6. Step 6: Final answer
    x = 2,794.19

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1.5x scale

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.