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Finding the Fourth Proportional to 16,957, 25,430.30 and 11,725.62

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Solution

The fourth proportional to 16,957, 25,430.30 and 11,725.62 is: 17,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957 : 25,430.30 = 11,725.62 : x
  2. Step 2: Convert to fraction form
    16,957/25,430.30 = 11,725.62/x
  3. Step 3: Cross multiply
    16,957x = 25,430.30 × 11,725.62
  4. Step 4: Simplify right side
    16,957x = 298,186,034.29
  5. Step 5: Solve for x
    x = 298,186,034.29/16,957
  6. Step 6: Final answer
    x = 17,584.83

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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.