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Finding the Fourth Proportional to 15,996.70, 23,995.05 and 8,200.54

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Solution

The fourth proportional to 15,996.70, 23,995.05 and 8,200.54 is: 12,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.70 : 23,995.05 = 8,200.54 : x
  2. Step 2: Convert to fraction form
    15,996.70/23,995.05 = 8,200.54/x
  3. Step 3: Cross multiply
    15,996.70x = 23,995.05 × 8,200.54
  4. Step 4: Simplify right side
    15,996.70x = 196,772,206.35
  5. Step 5: Solve for x
    x = 196,772,206.35/15,996.70
  6. Step 6: Final answer
    x = 12,300.80

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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.