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Finding the Fourth Proportional to 46,379.37, 69,571.95 and 13,101.99

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Solution

The fourth proportional to 46,379.37, 69,571.95 and 13,101.99 is: 19,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,379.37 : 69,571.95 = 13,101.99 : x
  2. Step 2: Convert to fraction form
    46,379.37/69,571.95 = 13,101.99/x
  3. Step 3: Cross multiply
    46,379.37x = 69,571.95 × 13,101.99
  4. Step 4: Simplify right side
    46,379.37x = 911,530,993.18
  5. Step 5: Solve for x
    x = 911,530,993.18/46,379.37
  6. Step 6: Final answer
    x = 19,653.80

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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.