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Finding the Fourth Proportional to 61,608.72, 92,398.92 and 17,238.61

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Solution

The fourth proportional to 61,608.72, 92,398.92 and 17,238.61 is: 25,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.72 : 92,398.92 = 17,238.61 : x
  2. Step 2: Convert to fraction form
    61,608.72/92,398.92 = 17,238.61/x
  3. Step 3: Cross multiply
    61,608.72x = 92,398.92 × 17,238.61
  4. Step 4: Simplify right side
    61,608.72x = 1,592,828,946.30
  5. Step 5: Solve for x
    x = 1,592,828,946.30/61,608.72
  6. Step 6: Final answer
    x = 25,853.95

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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.