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Finding the Fourth Proportional to 33,687.63, 46,491.05 and 19,351.94

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Solution

The fourth proportional to 33,687.63, 46,491.05 and 19,351.94 is: 26,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.63 : 46,491.05 = 19,351.94 : x
  2. Step 2: Convert to fraction form
    33,687.63/46,491.05 = 19,351.94/x
  3. Step 3: Cross multiply
    33,687.63x = 46,491.05 × 19,351.94
  4. Step 4: Simplify right side
    33,687.63x = 899,691,913.38
  5. Step 5: Solve for x
    x = 899,691,913.38/33,687.63
  6. Step 6: Final answer
    x = 26,706.90

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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.