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Finding the Fourth Proportional to 46,245.75, 69,379.56 and 15,081

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Solution

The fourth proportional to 46,245.75, 69,379.56 and 15,081 is: 22,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,245.75 : 69,379.56 = 15,081 : x
  2. Step 2: Convert to fraction form
    46,245.75/69,379.56 = 15,081/x
  3. Step 3: Cross multiply
    46,245.75x = 69,379.56 × 15,081
  4. Step 4: Simplify right side
    46,245.75x = 1,046,313,144.36
  5. Step 5: Solve for x
    x = 1,046,313,144.36/46,245.75
  6. Step 6: Final answer
    x = 22,625.07

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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.