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Finding the Fourth Proportional to 19,650.25, 29,480.78 and 5,799.25

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Solution

The fourth proportional to 19,650.25, 29,480.78 and 5,799.25 is: 8,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.25 : 29,480.78 = 5,799.25 : x
  2. Step 2: Convert to fraction form
    19,650.25/29,480.78 = 5,799.25/x
  3. Step 3: Cross multiply
    19,650.25x = 29,480.78 × 5,799.25
  4. Step 4: Simplify right side
    19,650.25x = 170,966,413.42
  5. Step 5: Solve for x
    x = 170,966,413.42/19,650.25
  6. Step 6: Final answer
    x = 8,700.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.