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Finding the Fourth Proportional to 10,571.99, 15,836.36 and 5,008.41

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Solution

The fourth proportional to 10,571.99, 15,836.36 and 5,008.41 is: 7,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.99 : 15,836.36 = 5,008.41 : x
  2. Step 2: Convert to fraction form
    10,571.99/15,836.36 = 5,008.41/x
  3. Step 3: Cross multiply
    10,571.99x = 15,836.36 × 5,008.41
  4. Step 4: Simplify right side
    10,571.99x = 79,314,958.75
  5. Step 5: Solve for x
    x = 79,314,958.75/10,571.99
  6. Step 6: Final answer
    x = 7,502.37

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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.