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Finding the Fourth Proportional to 43,398.05, 65,096.61 and 32,932.34

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Solution

The fourth proportional to 43,398.05, 65,096.61 and 32,932.34 is: 49,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.05 : 65,096.61 = 32,932.34 : x
  2. Step 2: Convert to fraction form
    43,398.05/65,096.61 = 32,932.34/x
  3. Step 3: Cross multiply
    43,398.05x = 65,096.61 × 32,932.34
  4. Step 4: Simplify right side
    43,398.05x = 2,143,784,039.91
  5. Step 5: Solve for x
    x = 2,143,784,039.91/43,398.05
  6. Step 6: Final answer
    x = 49,398.16

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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.