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Finding the Fourth Proportional to 64,856.19, 97,321.80 and 27,413.84

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Solution

The fourth proportional to 64,856.19, 97,321.80 and 27,413.84 is: 41,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.19 : 97,321.80 = 27,413.84 : x
  2. Step 2: Convert to fraction form
    64,856.19/97,321.80 = 27,413.84/x
  3. Step 3: Cross multiply
    64,856.19x = 97,321.80 × 27,413.84
  4. Step 4: Simplify right side
    64,856.19x = 2,667,964,599.82
  5. Step 5: Solve for x
    x = 2,667,964,599.82/64,856.19
  6. Step 6: Final answer
    x = 41,136.62

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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.