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Finding the Fourth Proportional to 61,127.73, 91,673.82 and 23,679.45

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Solution

The fourth proportional to 61,127.73, 91,673.82 and 23,679.45 is: 35,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,127.73 : 91,673.82 = 23,679.45 : x
  2. Step 2: Convert to fraction form
    61,127.73/91,673.82 = 23,679.45/x
  3. Step 3: Cross multiply
    61,127.73x = 91,673.82 × 23,679.45
  4. Step 4: Simplify right side
    61,127.73x = 2,170,785,637.00
  5. Step 5: Solve for x
    x = 2,170,785,637.00/61,127.73
  6. Step 6: Final answer
    x = 35,512.29

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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.