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Finding the Fourth Proportional to 61,543.33, 92,324.14 and 19,418.94

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Solution

The fourth proportional to 61,543.33, 92,324.14 and 19,418.94 is: 29,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.33 : 92,324.14 = 19,418.94 : x
  2. Step 2: Convert to fraction form
    61,543.33/92,324.14 = 19,418.94/x
  3. Step 3: Cross multiply
    61,543.33x = 92,324.14 × 19,418.94
  4. Step 4: Simplify right side
    61,543.33x = 1,792,836,886.66
  5. Step 5: Solve for x
    x = 1,792,836,886.66/61,543.33
  6. Step 6: Final answer
    x = 29,131.30

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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.