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Finding the Fourth Proportional to 1,441.41, 1,987.79 and 944.48

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Solution

The fourth proportional to 1,441.41, 1,987.79 and 944.48 is: 1,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.41 : 1,987.79 = 944.48 : x
  2. Step 2: Convert to fraction form
    1,441.41/1,987.79 = 944.48/x
  3. Step 3: Cross multiply
    1,441.41x = 1,987.79 × 944.48
  4. Step 4: Simplify right side
    1,441.41x = 1,877,413.24
  5. Step 5: Solve for x
    x = 1,877,413.24/1,441.41
  6. Step 6: Final answer
    x = 1,302.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.