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Finding the Fourth Proportional to 2,903.68, 4,355.44 and 1,172.24

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Solution

The fourth proportional to 2,903.68, 4,355.44 and 1,172.24 is: 1,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.68 : 4,355.44 = 1,172.24 : x
  2. Step 2: Convert to fraction form
    2,903.68/4,355.44 = 1,172.24/x
  3. Step 3: Cross multiply
    2,903.68x = 4,355.44 × 1,172.24
  4. Step 4: Simplify right side
    2,903.68x = 5,105,620.99
  5. Step 5: Solve for x
    x = 5,105,620.99/2,903.68
  6. Step 6: Final answer
    x = 1,758.33

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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.