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Finding the Fourth Proportional to 1,477.76, 2,049.80 and 1,441.31

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Solution

The fourth proportional to 1,477.76, 2,049.80 and 1,441.31 is: 1,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.76 : 2,049.80 = 1,441.31 : x
  2. Step 2: Convert to fraction form
    1,477.76/2,049.80 = 1,441.31/x
  3. Step 3: Cross multiply
    1,477.76x = 2,049.80 × 1,441.31
  4. Step 4: Simplify right side
    1,477.76x = 2,954,379.78
  5. Step 5: Solve for x
    x = 2,954,379.78/1,477.76
  6. Step 6: Final answer
    x = 1,999.24

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.