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Finding the Fourth Proportional to 45,163.14, 67,775.81 and 15,581.01

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Solution

The fourth proportional to 45,163.14, 67,775.81 and 15,581.01 is: 23,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.14 : 67,775.81 = 15,581.01 : x
  2. Step 2: Convert to fraction form
    45,163.14/67,775.81 = 15,581.01/x
  3. Step 3: Cross multiply
    45,163.14x = 67,775.81 × 15,581.01
  4. Step 4: Simplify right side
    45,163.14x = 1,056,015,499.85
  5. Step 5: Solve for x
    x = 1,056,015,499.85/45,163.14
  6. Step 6: Final answer
    x = 23,382.24

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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.