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Finding the Fourth Proportional to 65,797.99, 98,703.23 and 18,413.06

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Solution

The fourth proportional to 65,797.99, 98,703.23 and 18,413.06 is: 27,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,797.99 : 98,703.23 = 18,413.06 : x
  2. Step 2: Convert to fraction form
    65,797.99/98,703.23 = 18,413.06/x
  3. Step 3: Cross multiply
    65,797.99x = 98,703.23 × 18,413.06
  4. Step 4: Simplify right side
    65,797.99x = 1,817,427,910.60
  5. Step 5: Solve for x
    x = 1,817,427,910.60/65,797.99
  6. Step 6: Final answer
    x = 27,621.33

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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.