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Finding the Fourth Proportional to 39,654, 59,490.09 and 17,469.06

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Solution

The fourth proportional to 39,654, 59,490.09 and 17,469.06 is: 26,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,654 : 59,490.09 = 17,469.06 : x
  2. Step 2: Convert to fraction form
    39,654/59,490.09 = 17,469.06/x
  3. Step 3: Cross multiply
    39,654x = 59,490.09 × 17,469.06
  4. Step 4: Simplify right side
    39,654x = 1,039,235,951.62
  5. Step 5: Solve for x
    x = 1,039,235,951.62/39,654
  6. Step 6: Final answer
    x = 26,207.59

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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.