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Finding the Fourth Proportional to 46,321.32, 69,481.02 and 11,261.16

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Solution

The fourth proportional to 46,321.32, 69,481.02 and 11,261.16 is: 16,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,321.32 : 69,481.02 = 11,261.16 : x
  2. Step 2: Convert to fraction form
    46,321.32/69,481.02 = 11,261.16/x
  3. Step 3: Cross multiply
    46,321.32x = 69,481.02 × 11,261.16
  4. Step 4: Simplify right side
    46,321.32x = 782,436,883.18
  5. Step 5: Solve for x
    x = 782,436,883.18/46,321.32
  6. Step 6: Final answer
    x = 16,891.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.