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Finding the Fourth Proportional to 33,997.95, 50,997.51 and 11,812.05

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Solution

The fourth proportional to 33,997.95, 50,997.51 and 11,812.05 is: 17,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.95 : 50,997.51 = 11,812.05 : x
  2. Step 2: Convert to fraction form
    33,997.95/50,997.51 = 11,812.05/x
  3. Step 3: Cross multiply
    33,997.95x = 50,997.51 × 11,812.05
  4. Step 4: Simplify right side
    33,997.95x = 602,385,138.00
  5. Step 5: Solve for x
    x = 602,385,138.00/33,997.95
  6. Step 6: Final answer
    x = 17,718.28

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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.