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Finding the Fourth Proportional to 33,578.79, 50,368.19 and 13,593.87

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Solution

The fourth proportional to 33,578.79, 50,368.19 and 13,593.87 is: 20,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,578.79 : 50,368.19 = 13,593.87 : x
  2. Step 2: Convert to fraction form
    33,578.79/50,368.19 = 13,593.87/x
  3. Step 3: Cross multiply
    33,578.79x = 50,368.19 × 13,593.87
  4. Step 4: Simplify right side
    33,578.79x = 684,698,627.00
  5. Step 5: Solve for x
    x = 684,698,627.00/33,578.79
  6. Step 6: Final answer
    x = 20,390.81

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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.