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Finding the Fourth Proportional to 59,700, 82,380.60 and 32,843.64

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Solution

The fourth proportional to 59,700, 82,380.60 and 32,843.64 is: 45,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,700 : 82,380.60 = 32,843.64 : x
  2. Step 2: Convert to fraction form
    59,700/82,380.60 = 32,843.64/x
  3. Step 3: Cross multiply
    59,700x = 82,380.60 × 32,843.64
  4. Step 4: Simplify right side
    59,700x = 2,705,678,769.38
  5. Step 5: Solve for x
    x = 2,705,678,769.38/59,700
  6. Step 6: Final answer
    x = 45,321.25

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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.