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Finding the Fourth Proportional to 61,530, 92,310.36 and 17,754

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Solution

The fourth proportional to 61,530, 92,310.36 and 17,754 is: 26,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530 : 92,310.36 = 17,754 : x
  2. Step 2: Convert to fraction form
    61,530/92,310.36 = 17,754/x
  3. Step 3: Cross multiply
    61,530x = 92,310.36 × 17,754
  4. Step 4: Simplify right side
    61,530x = 1,638,878,131.44
  5. Step 5: Solve for x
    x = 1,638,878,131.44/61,530
  6. Step 6: Final answer
    x = 26,635.43

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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.