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Finding the Fourth Proportional to 16,958.16, 25,438.36 and 5,865.92

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Solution

The fourth proportional to 16,958.16, 25,438.36 and 5,865.92 is: 8,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.16 : 25,438.36 = 5,865.92 : x
  2. Step 2: Convert to fraction form
    16,958.16/25,438.36 = 5,865.92/x
  3. Step 3: Cross multiply
    16,958.16x = 25,438.36 × 5,865.92
  4. Step 4: Simplify right side
    16,958.16x = 149,219,384.69
  5. Step 5: Solve for x
    x = 149,219,384.69/16,958.16
  6. Step 6: Final answer
    x = 8,799.27

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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.