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Finding the Fourth Proportional to 14,049.27, 21,073.91 and 7,806.30

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Solution

The fourth proportional to 14,049.27, 21,073.91 and 7,806.30 is: 11,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.27 : 21,073.91 = 7,806.30 : x
  2. Step 2: Convert to fraction form
    14,049.27/21,073.91 = 7,806.30/x
  3. Step 3: Cross multiply
    14,049.27x = 21,073.91 × 7,806.30
  4. Step 4: Simplify right side
    14,049.27x = 164,509,119.23
  5. Step 5: Solve for x
    x = 164,509,119.23/14,049.27
  6. Step 6: Final answer
    x = 11,709.44

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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.