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Finding the Fourth Proportional to 16,992.81, 25,462.17 and 11,425.68

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Solution

The fourth proportional to 16,992.81, 25,462.17 and 11,425.68 is: 17,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.81 : 25,462.17 = 11,425.68 : x
  2. Step 2: Convert to fraction form
    16,992.81/25,462.17 = 11,425.68/x
  3. Step 3: Cross multiply
    16,992.81x = 25,462.17 × 11,425.68
  4. Step 4: Simplify right side
    16,992.81x = 290,922,606.53
  5. Step 5: Solve for x
    x = 290,922,606.53/16,992.81
  6. Step 6: Final answer
    x = 17,120.34

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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.