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Finding the Fourth Proportional to 2,326.59, 3,489.93 and 1,862.21

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Solution

The fourth proportional to 2,326.59, 3,489.93 and 1,862.21 is: 2,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.59 : 3,489.93 = 1,862.21 : x
  2. Step 2: Convert to fraction form
    2,326.59/3,489.93 = 1,862.21/x
  3. Step 3: Cross multiply
    2,326.59x = 3,489.93 × 1,862.21
  4. Step 4: Simplify right side
    2,326.59x = 6,498,991.27
  5. Step 5: Solve for x
    x = 6,498,991.27/2,326.59
  6. Step 6: Final answer
    x = 2,793.35

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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.