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Finding the Fourth Proportional to 17,321.85, 23,904.25 and 9,364.05

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Solution

The fourth proportional to 17,321.85, 23,904.25 and 9,364.05 is: 12,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.85 : 23,904.25 = 9,364.05 : x
  2. Step 2: Convert to fraction form
    17,321.85/23,904.25 = 9,364.05/x
  3. Step 3: Cross multiply
    17,321.85x = 23,904.25 × 9,364.05
  4. Step 4: Simplify right side
    17,321.85x = 223,840,568.80
  5. Step 5: Solve for x
    x = 223,840,568.80/17,321.85
  6. Step 6: Final answer
    x = 12,922.44

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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.