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Finding the Fourth Proportional to 30,287.34, 45,369.45 and 22,413.33

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Solution

The fourth proportional to 30,287.34, 45,369.45 and 22,413.33 is: 33,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.34 : 45,369.45 = 22,413.33 : x
  2. Step 2: Convert to fraction form
    30,287.34/45,369.45 = 22,413.33/x
  3. Step 3: Cross multiply
    30,287.34x = 45,369.45 × 22,413.33
  4. Step 4: Simplify right side
    30,287.34x = 1,016,880,454.77
  5. Step 5: Solve for x
    x = 1,016,880,454.77/30,287.34
  6. Step 6: Final answer
    x = 33,574.44

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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.