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Finding the Fourth Proportional to 36,783.50, 55,175.43 and 9,081.50

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Solution

The fourth proportional to 36,783.50, 55,175.43 and 9,081.50 is: 13,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.50 : 55,175.43 = 9,081.50 : x
  2. Step 2: Convert to fraction form
    36,783.50/55,175.43 = 9,081.50/x
  3. Step 3: Cross multiply
    36,783.50x = 55,175.43 × 9,081.50
  4. Step 4: Simplify right side
    36,783.50x = 501,075,667.55
  5. Step 5: Solve for x
    x = 501,075,667.55/36,783.50
  6. Step 6: Final answer
    x = 13,622.29

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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.