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Finding the Fourth Proportional to 18,413.12, 27,624.09 and 5,934.32

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Solution

The fourth proportional to 18,413.12, 27,624.09 and 5,934.32 is: 8,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.12 : 27,624.09 = 5,934.32 : x
  2. Step 2: Convert to fraction form
    18,413.12/27,624.09 = 5,934.32/x
  3. Step 3: Cross multiply
    18,413.12x = 27,624.09 × 5,934.32
  4. Step 4: Simplify right side
    18,413.12x = 163,930,051.65
  5. Step 5: Solve for x
    x = 163,930,051.65/18,413.12
  6. Step 6: Final answer
    x = 8,902.90

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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.