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Finding the Fourth Proportional to 61,481.46, 92,221.88 and 19,365.12

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Solution

The fourth proportional to 61,481.46, 92,221.88 and 19,365.12 is: 29,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.46 : 92,221.88 = 19,365.12 : x
  2. Step 2: Convert to fraction form
    61,481.46/92,221.88 = 19,365.12/x
  3. Step 3: Cross multiply
    61,481.46x = 92,221.88 × 19,365.12
  4. Step 4: Simplify right side
    61,481.46x = 1,785,887,772.83
  5. Step 5: Solve for x
    x = 1,785,887,772.83/61,481.46
  6. Step 6: Final answer
    x = 29,047.58

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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.