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Finding the Fourth Proportional to 36,821.56, 55,219.56 and 34,459.60

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Solution

The fourth proportional to 36,821.56, 55,219.56 and 34,459.60 is: 51,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.56 : 55,219.56 = 34,459.60 : x
  2. Step 2: Convert to fraction form
    36,821.56/55,219.56 = 34,459.60/x
  3. Step 3: Cross multiply
    36,821.56x = 55,219.56 × 34,459.60
  4. Step 4: Simplify right side
    36,821.56x = 1,902,843,949.78
  5. Step 5: Solve for x
    x = 1,902,843,949.78/36,821.56
  6. Step 6: Final answer
    x = 51,677.44

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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.