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Finding the Fourth Proportional to 16,930.08, 25,391 and 7,069.44

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Solution

The fourth proportional to 16,930.08, 25,391 and 7,069.44 is: 10,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.08 : 25,391 = 7,069.44 : x
  2. Step 2: Convert to fraction form
    16,930.08/25,391 = 7,069.44/x
  3. Step 3: Cross multiply
    16,930.08x = 25,391 × 7,069.44
  4. Step 4: Simplify right side
    16,930.08x = 179,500,151.04
  5. Step 5: Solve for x
    x = 179,500,151.04/16,930.08
  6. Step 6: Final answer
    x = 10,602.44

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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.