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Finding the Fourth Proportional to 40,653.64, 60,945.41 and 15,711.19

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Solution

The fourth proportional to 40,653.64, 60,945.41 and 15,711.19 is: 23,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,653.64 : 60,945.41 = 15,711.19 : x
  2. Step 2: Convert to fraction form
    40,653.64/60,945.41 = 15,711.19/x
  3. Step 3: Cross multiply
    40,653.64x = 60,945.41 × 15,711.19
  4. Step 4: Simplify right side
    40,653.64x = 957,524,532.85
  5. Step 5: Solve for x
    x = 957,524,532.85/40,653.64
  6. Step 6: Final answer
    x = 23,553.23

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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.