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Finding the Fourth Proportional to 33,980.01, 50,972.67 and 9,019.50

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Solution

The fourth proportional to 33,980.01, 50,972.67 and 9,019.50 is: 13,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.01 : 50,972.67 = 9,019.50 : x
  2. Step 2: Convert to fraction form
    33,980.01/50,972.67 = 9,019.50/x
  3. Step 3: Cross multiply
    33,980.01x = 50,972.67 × 9,019.50
  4. Step 4: Simplify right side
    33,980.01x = 459,747,997.07
  5. Step 5: Solve for x
    x = 459,747,997.07/33,980.01
  6. Step 6: Final answer
    x = 13,529.95

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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.