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Finding the Fourth Proportional to 9,074.87, 13,606.70 and 8,301.39

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Solution

The fourth proportional to 9,074.87, 13,606.70 and 8,301.39 is: 12,446.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.87 : 13,606.70 = 8,301.39 : x
  2. Step 2: Convert to fraction form
    9,074.87/13,606.70 = 8,301.39/x
  3. Step 3: Cross multiply
    9,074.87x = 13,606.70 × 8,301.39
  4. Step 4: Simplify right side
    9,074.87x = 112,954,523.31
  5. Step 5: Solve for x
    x = 112,954,523.31/9,074.87
  6. Step 6: Final answer
    x = 12,446.96

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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.