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Finding the Fourth Proportional to 10,015.52, 15,018.18 and 3,349.62

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Solution

The fourth proportional to 10,015.52, 15,018.18 and 3,349.62 is: 5,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.52 : 15,018.18 = 3,349.62 : x
  2. Step 2: Convert to fraction form
    10,015.52/15,018.18 = 3,349.62/x
  3. Step 3: Cross multiply
    10,015.52x = 15,018.18 × 3,349.62
  4. Step 4: Simplify right side
    10,015.52x = 50,305,183.53
  5. Step 5: Solve for x
    x = 50,305,183.53/10,015.52
  6. Step 6: Final answer
    x = 5,022.73

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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.