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Finding the Fourth Proportional to 61,571.74, 92,362.86 and 19,440.55

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Solution

The fourth proportional to 61,571.74, 92,362.86 and 19,440.55 is: 29,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,571.74 : 92,362.86 = 19,440.55 : x
  2. Step 2: Convert to fraction form
    61,571.74/92,362.86 = 19,440.55/x
  3. Step 3: Cross multiply
    61,571.74x = 92,362.86 × 19,440.55
  4. Step 4: Simplify right side
    61,571.74x = 1,795,584,797.97
  5. Step 5: Solve for x
    x = 1,795,584,797.97/61,571.74
  6. Step 6: Final answer
    x = 29,162.48

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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.