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Finding the Fourth Proportional to 15,999.26, 23,998.90 and 8,203.10

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Solution

The fourth proportional to 15,999.26, 23,998.90 and 8,203.10 is: 12,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.26 : 23,998.90 = 8,203.10 : x
  2. Step 2: Convert to fraction form
    15,999.26/23,998.90 = 8,203.10/x
  3. Step 3: Cross multiply
    15,999.26x = 23,998.90 × 8,203.10
  4. Step 4: Simplify right side
    15,999.26x = 196,865,376.59
  5. Step 5: Solve for x
    x = 196,865,376.59/15,999.26
  6. Step 6: Final answer
    x = 12,304.66

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Similar ratio
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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.