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Finding the Fourth Proportional to 13,882.46, 20,825.30 and 13,882.46

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Solution

The fourth proportional to 13,882.46, 20,825.30 and 13,882.46 is: 20,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.46 : 20,825.30 = 13,882.46 : x
  2. Step 2: Convert to fraction form
    13,882.46/20,825.30 = 13,882.46/x
  3. Step 3: Cross multiply
    13,882.46x = 20,825.30 × 13,882.46
  4. Step 4: Simplify right side
    13,882.46x = 289,106,324.82
  5. Step 5: Solve for x
    x = 289,106,324.82/13,882.46
  6. Step 6: Final answer
    x = 20,825.30

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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.