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Finding the Fourth Proportional to 17,961.81, 24,790.62 and 10,413.01

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Solution

The fourth proportional to 17,961.81, 24,790.62 and 10,413.01 is: 14,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.81 : 24,790.62 = 10,413.01 : x
  2. Step 2: Convert to fraction form
    17,961.81/24,790.62 = 10,413.01/x
  3. Step 3: Cross multiply
    17,961.81x = 24,790.62 × 10,413.01
  4. Step 4: Simplify right side
    17,961.81x = 258,144,973.97
  5. Step 5: Solve for x
    x = 258,144,973.97/17,961.81
  6. Step 6: Final answer
    x = 14,371.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.