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Finding the Fourth Proportional to 18,413.30, 27,629.55 and 8,026.10

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Solution

The fourth proportional to 18,413.30, 27,629.55 and 8,026.10 is: 12,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.30 : 27,629.55 = 8,026.10 : x
  2. Step 2: Convert to fraction form
    18,413.30/27,629.55 = 8,026.10/x
  3. Step 3: Cross multiply
    18,413.30x = 27,629.55 × 8,026.10
  4. Step 4: Simplify right side
    18,413.30x = 221,757,531.26
  5. Step 5: Solve for x
    x = 221,757,531.26/18,413.30
  6. Step 6: Final answer
    x = 12,043.33

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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.