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Finding the Fourth Proportional to 7,101.25, 9,799.79 and 4,450.21

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Solution

The fourth proportional to 7,101.25, 9,799.79 and 4,450.21 is: 6,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.25 : 9,799.79 = 4,450.21 : x
  2. Step 2: Convert to fraction form
    7,101.25/9,799.79 = 4,450.21/x
  3. Step 3: Cross multiply
    7,101.25x = 9,799.79 × 4,450.21
  4. Step 4: Simplify right side
    7,101.25x = 43,611,076.71
  5. Step 5: Solve for x
    x = 43,611,076.71/7,101.25
  6. Step 6: Final answer
    x = 6,141.33

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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.