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Finding the Fourth Proportional to 10,194.98, 15,293.99 and 3,620.61

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Solution

The fourth proportional to 10,194.98, 15,293.99 and 3,620.61 is: 5,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.98 : 15,293.99 = 3,620.61 : x
  2. Step 2: Convert to fraction form
    10,194.98/15,293.99 = 3,620.61/x
  3. Step 3: Cross multiply
    10,194.98x = 15,293.99 × 3,620.61
  4. Step 4: Simplify right side
    10,194.98x = 55,373,555.03
  5. Step 5: Solve for x
    x = 55,373,555.03/10,194.98
  6. Step 6: Final answer
    x = 5,431.46

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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.