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Finding the Fourth Proportional to 30,552.28, 45,845.22 and 12,795.68

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Solution

The fourth proportional to 30,552.28, 45,845.22 and 12,795.68 is: 19,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.28 : 45,845.22 = 12,795.68 : x
  2. Step 2: Convert to fraction form
    30,552.28/45,845.22 = 12,795.68/x
  3. Step 3: Cross multiply
    30,552.28x = 45,845.22 × 12,795.68
  4. Step 4: Simplify right side
    30,552.28x = 586,620,764.65
  5. Step 5: Solve for x
    x = 586,620,764.65/30,552.28
  6. Step 6: Final answer
    x = 19,200.56

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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.