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Finding the Fourth Proportional to 57,226.56, 85,816.08 and 22,146

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Solution

The fourth proportional to 57,226.56, 85,816.08 and 22,146 is: 33,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.56 : 85,816.08 = 22,146 : x
  2. Step 2: Convert to fraction form
    57,226.56/85,816.08 = 22,146/x
  3. Step 3: Cross multiply
    57,226.56x = 85,816.08 × 22,146
  4. Step 4: Simplify right side
    57,226.56x = 1,900,482,907.68
  5. Step 5: Solve for x
    x = 1,900,482,907.68/57,226.56
  6. Step 6: Final answer
    x = 33,209.81

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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.