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Finding the Fourth Proportional to 61,400.32, 92,091.32 and 17,022.44

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Solution

The fourth proportional to 61,400.32, 92,091.32 and 17,022.44 is: 25,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.32 : 92,091.32 = 17,022.44 : x
  2. Step 2: Convert to fraction form
    61,400.32/92,091.32 = 17,022.44/x
  3. Step 3: Cross multiply
    61,400.32x = 92,091.32 × 17,022.44
  4. Step 4: Simplify right side
    61,400.32x = 1,567,618,969.22
  5. Step 5: Solve for x
    x = 1,567,618,969.22/61,400.32
  6. Step 6: Final answer
    x = 25,531.12

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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.