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Finding the Fourth Proportional to 13,797.44, 20,701.16 and 8,526.30

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Solution

The fourth proportional to 13,797.44, 20,701.16 and 8,526.30 is: 12,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.44 : 20,701.16 = 8,526.30 : x
  2. Step 2: Convert to fraction form
    13,797.44/20,701.16 = 8,526.30/x
  3. Step 3: Cross multiply
    13,797.44x = 20,701.16 × 8,526.30
  4. Step 4: Simplify right side
    13,797.44x = 176,504,257.88
  5. Step 5: Solve for x
    x = 176,504,257.88/13,797.44
  6. Step 6: Final answer
    x = 12,792.54

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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.