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Finding the Fourth Proportional to 36,466.20, 54,699.30 and 20,914.20

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Solution

The fourth proportional to 36,466.20, 54,699.30 and 20,914.20 is: 31,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,466.20 : 54,699.30 = 20,914.20 : x
  2. Step 2: Convert to fraction form
    36,466.20/54,699.30 = 20,914.20/x
  3. Step 3: Cross multiply
    36,466.20x = 54,699.30 × 20,914.20
  4. Step 4: Simplify right side
    36,466.20x = 1,143,992,100.06
  5. Step 5: Solve for x
    x = 1,143,992,100.06/36,466.20
  6. Step 6: Final answer
    x = 31,371.30

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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.