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Finding the Fourth Proportional to 18,795.29, 25,937.49 and 10,413.41

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Solution

The fourth proportional to 18,795.29, 25,937.49 and 10,413.41 is: 14,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.29 : 25,937.49 = 10,413.41 : x
  2. Step 2: Convert to fraction form
    18,795.29/25,937.49 = 10,413.41/x
  3. Step 3: Cross multiply
    18,795.29x = 25,937.49 × 10,413.41
  4. Step 4: Simplify right side
    18,795.29x = 270,097,588.05
  5. Step 5: Solve for x
    x = 270,097,588.05/18,795.29
  6. Step 6: Final answer
    x = 14,370.50

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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.