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Finding the Fourth Proportional to 61,538.75, 92,299.92 and 17,161.79

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Solution

The fourth proportional to 61,538.75, 92,299.92 and 17,161.79 is: 25,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,538.75 : 92,299.92 = 17,161.79 : x
  2. Step 2: Convert to fraction form
    61,538.75/92,299.92 = 17,161.79/x
  3. Step 3: Cross multiply
    61,538.75x = 92,299.92 × 17,161.79
  4. Step 4: Simplify right side
    61,538.75x = 1,584,031,933.92
  5. Step 5: Solve for x
    x = 1,584,031,933.92/61,538.75
  6. Step 6: Final answer
    x = 25,740.40

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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.