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Finding the Fourth Proportional to 13,096.85, 18,074.05 and 8,063.98

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Solution

The fourth proportional to 13,096.85, 18,074.05 and 8,063.98 is: 11,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.85 : 18,074.05 = 8,063.98 : x
  2. Step 2: Convert to fraction form
    13,096.85/18,074.05 = 8,063.98/x
  3. Step 3: Cross multiply
    13,096.85x = 18,074.05 × 8,063.98
  4. Step 4: Simplify right side
    13,096.85x = 145,748,647.03
  5. Step 5: Solve for x
    x = 145,748,647.03/13,096.85
  6. Step 6: Final answer
    x = 11,128.53

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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.