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Finding the Fourth Proportional to 61,497, 92,243.88 and 17,121.96

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Solution

The fourth proportional to 61,497, 92,243.88 and 17,121.96 is: 25,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,497 : 92,243.88 = 17,121.96 : x
  2. Step 2: Convert to fraction form
    61,497/92,243.88 = 17,121.96/x
  3. Step 3: Cross multiply
    61,497x = 92,243.88 × 17,121.96
  4. Step 4: Simplify right side
    61,497x = 1,579,396,023.60
  5. Step 5: Solve for x
    x = 1,579,396,023.60/61,497
  6. Step 6: Final answer
    x = 25,682.49

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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.