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Finding the Fourth Proportional to 33,457.50, 46,171.35 and 18,553.50

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Solution

The fourth proportional to 33,457.50, 46,171.35 and 18,553.50 is: 25,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,457.50 : 46,171.35 = 18,553.50 : x
  2. Step 2: Convert to fraction form
    33,457.50/46,171.35 = 18,553.50/x
  3. Step 3: Cross multiply
    33,457.50x = 46,171.35 × 18,553.50
  4. Step 4: Simplify right side
    33,457.50x = 856,640,142.23
  5. Step 5: Solve for x
    x = 856,640,142.23/33,457.50
  6. Step 6: Final answer
    x = 25,603.83

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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.