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Finding the Fourth Proportional to 22,408.94, 33,605.39 and 7,413.32

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Solution

The fourth proportional to 22,408.94, 33,605.39 and 7,413.32 is: 11,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.94 : 33,605.39 = 7,413.32 : x
  2. Step 2: Convert to fraction form
    22,408.94/33,605.39 = 7,413.32/x
  3. Step 3: Cross multiply
    22,408.94x = 33,605.39 × 7,413.32
  4. Step 4: Simplify right side
    22,408.94x = 249,127,360.30
  5. Step 5: Solve for x
    x = 249,127,360.30/22,408.94
  6. Step 6: Final answer
    x = 11,117.32

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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.