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Finding the Fourth Proportional to 49,104.70, 73,599.90 and 28,059.48

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Solution

The fourth proportional to 49,104.70, 73,599.90 and 28,059.48 is: 42,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,104.70 : 73,599.90 = 28,059.48 : x
  2. Step 2: Convert to fraction form
    49,104.70/73,599.90 = 28,059.48/x
  3. Step 3: Cross multiply
    49,104.70x = 73,599.90 × 28,059.48
  4. Step 4: Simplify right side
    49,104.70x = 2,065,174,922.05
  5. Step 5: Solve for x
    x = 2,065,174,922.05/49,104.70
  6. Step 6: Final answer
    x = 42,056.56

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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.