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Finding the Fourth Proportional to 57,892.59, 86,945.85 and 34,661.79

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Solution

The fourth proportional to 57,892.59, 86,945.85 and 34,661.79 is: 52,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,892.59 : 86,945.85 = 34,661.79 : x
  2. Step 2: Convert to fraction form
    57,892.59/86,945.85 = 34,661.79/x
  3. Step 3: Cross multiply
    57,892.59x = 86,945.85 × 34,661.79
  4. Step 4: Simplify right side
    57,892.59x = 3,013,698,794.07
  5. Step 5: Solve for x
    x = 3,013,698,794.07/57,892.59
  6. Step 6: Final answer
    x = 52,056.73

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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.