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Finding the Fourth Proportional to 13,063.28, 18,025.22 and 8,025.88

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Solution

The fourth proportional to 13,063.28, 18,025.22 and 8,025.88 is: 11,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.28 : 18,025.22 = 8,025.88 : x
  2. Step 2: Convert to fraction form
    13,063.28/18,025.22 = 8,025.88/x
  3. Step 3: Cross multiply
    13,063.28x = 18,025.22 × 8,025.88
  4. Step 4: Simplify right side
    13,063.28x = 144,668,252.69
  5. Step 5: Solve for x
    x = 144,668,252.69/13,063.28
  6. Step 6: Final answer
    x = 11,074.42

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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.