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Finding the Fourth Proportional to 16,958.62, 25,407.42 and 15,958.24

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Solution

The fourth proportional to 16,958.62, 25,407.42 and 15,958.24 is: 23,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.62 : 25,407.42 = 15,958.24 : x
  2. Step 2: Convert to fraction form
    16,958.62/25,407.42 = 15,958.24/x
  3. Step 3: Cross multiply
    16,958.62x = 25,407.42 × 15,958.24
  4. Step 4: Simplify right side
    16,958.62x = 405,457,706.14
  5. Step 5: Solve for x
    x = 405,457,706.14/16,958.62
  6. Step 6: Final answer
    x = 23,908.65

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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.