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Finding the Fourth Proportional to 16,930.89, 25,412.81 and 10,369.89

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Solution

The fourth proportional to 16,930.89, 25,412.81 and 10,369.89 is: 15,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.89 : 25,412.81 = 10,369.89 : x
  2. Step 2: Convert to fraction form
    16,930.89/25,412.81 = 10,369.89/x
  3. Step 3: Cross multiply
    16,930.89x = 25,412.81 × 10,369.89
  4. Step 4: Simplify right side
    16,930.89x = 263,527,992.44
  5. Step 5: Solve for x
    x = 263,527,992.44/16,930.89
  6. Step 6: Final answer
    x = 15,564.92

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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.