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Finding the Fourth Proportional to 15,049.67, 20,771.99 and 10,014.09

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Solution

The fourth proportional to 15,049.67, 20,771.99 and 10,014.09 is: 13,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.67 : 20,771.99 = 10,014.09 : x
  2. Step 2: Convert to fraction form
    15,049.67/20,771.99 = 10,014.09/x
  3. Step 3: Cross multiply
    15,049.67x = 20,771.99 × 10,014.09
  4. Step 4: Simplify right side
    15,049.67x = 208,012,527.27
  5. Step 5: Solve for x
    x = 208,012,527.27/15,049.67
  6. Step 6: Final answer
    x = 13,821.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.