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Finding the Fourth Proportional to 33,704.50, 46,513.68 and 18,800.50

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Solution

The fourth proportional to 33,704.50, 46,513.68 and 18,800.50 is: 25,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,704.50 : 46,513.68 = 18,800.50 : x
  2. Step 2: Convert to fraction form
    33,704.50/46,513.68 = 18,800.50/x
  3. Step 3: Cross multiply
    33,704.50x = 46,513.68 × 18,800.50
  4. Step 4: Simplify right side
    33,704.50x = 874,480,440.84
  5. Step 5: Solve for x
    x = 874,480,440.84/33,704.50
  6. Step 6: Final answer
    x = 25,945.51

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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.