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Finding the Fourth Proportional to 57,335.69, 85,958.47 and 36,231.34

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Solution

The fourth proportional to 57,335.69, 85,958.47 and 36,231.34 is: 54,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.69 : 85,958.47 = 36,231.34 : x
  2. Step 2: Convert to fraction form
    57,335.69/85,958.47 = 36,231.34/x
  3. Step 3: Cross multiply
    57,335.69x = 85,958.47 × 36,231.34
  4. Step 4: Simplify right side
    57,335.69x = 3,114,390,382.84
  5. Step 5: Solve for x
    x = 3,114,390,382.84/57,335.69
  6. Step 6: Final answer
    x = 54,318.53

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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.