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Finding the Fourth Proportional to 12,241.49, 16,898.43 and 8,267.99

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Solution

The fourth proportional to 12,241.49, 16,898.43 and 8,267.99 is: 11,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.49 : 16,898.43 = 8,267.99 : x
  2. Step 2: Convert to fraction form
    12,241.49/16,898.43 = 8,267.99/x
  3. Step 3: Cross multiply
    12,241.49x = 16,898.43 × 8,267.99
  4. Step 4: Simplify right side
    12,241.49x = 139,716,092.50
  5. Step 5: Solve for x
    x = 139,716,092.50/12,241.49
  6. Step 6: Final answer
    x = 11,413.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.