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Finding the Fourth Proportional to 33,996.99, 50,991.42 and 9,038.86

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Solution

The fourth proportional to 33,996.99, 50,991.42 and 9,038.86 is: 13,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,996.99 : 50,991.42 = 9,038.86 : x
  2. Step 2: Convert to fraction form
    33,996.99/50,991.42 = 9,038.86/x
  3. Step 3: Cross multiply
    33,996.99x = 50,991.42 × 9,038.86
  4. Step 4: Simplify right side
    33,996.99x = 460,904,306.58
  5. Step 5: Solve for x
    x = 460,904,306.58/33,996.99
  6. Step 6: Final answer
    x = 13,557.21

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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.