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Finding the Fourth Proportional to 30,249.99, 45,371.48 and 8,065.17

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Solution

The fourth proportional to 30,249.99, 45,371.48 and 8,065.17 is: 12,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.99 : 45,371.48 = 8,065.17 : x
  2. Step 2: Convert to fraction form
    30,249.99/45,371.48 = 8,065.17/x
  3. Step 3: Cross multiply
    30,249.99x = 45,371.48 × 8,065.17
  4. Step 4: Simplify right side
    30,249.99x = 365,928,659.03
  5. Step 5: Solve for x
    x = 365,928,659.03/30,249.99
  6. Step 6: Final answer
    x = 12,096.82

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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.