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Finding the Fourth Proportional to 17,177.54, 25,769.07 and 8,413.13

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Solution

The fourth proportional to 17,177.54, 25,769.07 and 8,413.13 is: 12,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.54 : 25,769.07 = 8,413.13 : x
  2. Step 2: Convert to fraction form
    17,177.54/25,769.07 = 8,413.13/x
  3. Step 3: Cross multiply
    17,177.54x = 25,769.07 × 8,413.13
  4. Step 4: Simplify right side
    17,177.54x = 216,798,600.31
  5. Step 5: Solve for x
    x = 216,798,600.31/17,177.54
  6. Step 6: Final answer
    x = 12,621.05

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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.