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Finding the Fourth Proportional to 16,946.82, 25,402.01 and 7,081.02

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Solution

The fourth proportional to 16,946.82, 25,402.01 and 7,081.02 is: 10,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.82 : 25,402.01 = 7,081.02 : x
  2. Step 2: Convert to fraction form
    16,946.82/25,402.01 = 7,081.02/x
  3. Step 3: Cross multiply
    16,946.82x = 25,402.01 × 7,081.02
  4. Step 4: Simplify right side
    16,946.82x = 179,872,105.45
  5. Step 5: Solve for x
    x = 179,872,105.45/16,946.82
  6. Step 6: Final answer
    x = 10,613.91

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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.