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Finding the Fourth Proportional to 51,059.67, 76,579.38 and 48,527.97

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Solution

The fourth proportional to 51,059.67, 76,579.38 and 48,527.97 is: 72,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.67 : 76,579.38 = 48,527.97 : x
  2. Step 2: Convert to fraction form
    51,059.67/76,579.38 = 48,527.97/x
  3. Step 3: Cross multiply
    51,059.67x = 76,579.38 × 48,527.97
  4. Step 4: Simplify right side
    51,059.67x = 3,716,241,855.26
  5. Step 5: Solve for x
    x = 3,716,241,855.26/51,059.67
  6. Step 6: Final answer
    x = 72,782.33

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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.