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Finding the Fourth Proportional to 36,316.50, 50,119.50 and 22,172.09

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Solution

The fourth proportional to 36,316.50, 50,119.50 and 22,172.09 is: 30,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.50 : 50,119.50 = 22,172.09 : x
  2. Step 2: Convert to fraction form
    36,316.50/50,119.50 = 22,172.09/x
  3. Step 3: Cross multiply
    36,316.50x = 50,119.50 × 22,172.09
  4. Step 4: Simplify right side
    36,316.50x = 1,111,253,814.16
  5. Step 5: Solve for x
    x = 1,111,253,814.16/36,316.50
  6. Step 6: Final answer
    x = 30,599.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.