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Finding the Fourth Proportional to 33,699.00, 50,554.97 and 12,920.88

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Solution

The fourth proportional to 33,699.00, 50,554.97 and 12,920.88 is: 19,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,699.00 : 50,554.97 = 12,920.88 : x
  2. Step 2: Convert to fraction form
    33,699.00/50,554.97 = 12,920.88/x
  3. Step 3: Cross multiply
    33,699.00x = 50,554.97 × 12,920.88
  4. Step 4: Simplify right side
    33,699.00x = 653,214,480.30
  5. Step 5: Solve for x
    x = 653,214,480.30/33,699.00
  6. Step 6: Final answer
    x = 19,383.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.