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Finding the Fourth Proportional to 33,666, 46,459.07 and 18,558.90

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Solution

The fourth proportional to 33,666, 46,459.07 and 18,558.90 is: 25,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,666 : 46,459.07 = 18,558.90 : x
  2. Step 2: Convert to fraction form
    33,666/46,459.07 = 18,558.90/x
  3. Step 3: Cross multiply
    33,666x = 46,459.07 × 18,558.90
  4. Step 4: Simplify right side
    33,666x = 862,229,141.43
  5. Step 5: Solve for x
    x = 862,229,141.43/33,666
  6. Step 6: Final answer
    x = 25,611.27

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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.