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Finding the Fourth Proportional to 23,909.80, 35,865.97 and 7,268.55

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Solution

The fourth proportional to 23,909.80, 35,865.97 and 7,268.55 is: 10,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.80 : 35,865.97 = 7,268.55 : x
  2. Step 2: Convert to fraction form
    23,909.80/35,865.97 = 7,268.55/x
  3. Step 3: Cross multiply
    23,909.80x = 35,865.97 × 7,268.55
  4. Step 4: Simplify right side
    23,909.80x = 260,693,488.41
  5. Step 5: Solve for x
    x = 260,693,488.41/23,909.80
  6. Step 6: Final answer
    x = 10,903.21

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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.