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Finding the Fourth Proportional to 51,892.58, 71,611.90 and 30,093.08

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Solution

The fourth proportional to 51,892.58, 71,611.90 and 30,093.08 is: 41,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.58 : 71,611.90 = 30,093.08 : x
  2. Step 2: Convert to fraction form
    51,892.58/71,611.90 = 30,093.08/x
  3. Step 3: Cross multiply
    51,892.58x = 71,611.90 × 30,093.08
  4. Step 4: Simplify right side
    51,892.58x = 2,155,022,635.65
  5. Step 5: Solve for x
    x = 2,155,022,635.65/51,892.58
  6. Step 6: Final answer
    x = 41,528.53

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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.