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Finding the Fourth Proportional to 29,641.72, 44,413.22 and 20,858.18

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Solution

The fourth proportional to 29,641.72, 44,413.22 and 20,858.18 is: 31,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.72 : 44,413.22 = 20,858.18 : x
  2. Step 2: Convert to fraction form
    29,641.72/44,413.22 = 20,858.18/x
  3. Step 3: Cross multiply
    29,641.72x = 44,413.22 × 20,858.18
  4. Step 4: Simplify right side
    29,641.72x = 926,378,937.14
  5. Step 5: Solve for x
    x = 926,378,937.14/29,641.72
  6. Step 6: Final answer
    x = 31,252.54

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1.5x scale

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.