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Finding the Fourth Proportional to 33,999.53, 46,912.10 and 20,568.11

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Solution

The fourth proportional to 33,999.53, 46,912.10 and 20,568.11 is: 28,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.53 : 46,912.10 = 20,568.11 : x
  2. Step 2: Convert to fraction form
    33,999.53/46,912.10 = 20,568.11/x
  3. Step 3: Cross multiply
    33,999.53x = 46,912.10 × 20,568.11
  4. Step 4: Simplify right side
    33,999.53x = 964,892,895.73
  5. Step 5: Solve for x
    x = 964,892,895.73/33,999.53
  6. Step 6: Final answer
    x = 28,379.60

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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.