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Finding the Fourth Proportional to 15,996.95, 23,995.43 and 8,200.79

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Solution

The fourth proportional to 15,996.95, 23,995.43 and 8,200.79 is: 12,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.95 : 23,995.43 = 8,200.79 : x
  2. Step 2: Convert to fraction form
    15,996.95/23,995.43 = 8,200.79/x
  3. Step 3: Cross multiply
    15,996.95x = 23,995.43 × 8,200.79
  4. Step 4: Simplify right side
    15,996.95x = 196,781,321.41
  5. Step 5: Solve for x
    x = 196,781,321.41/15,996.95
  6. Step 6: Final answer
    x = 12,301.18

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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.