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Finding the Fourth Proportional to 2,383.44, 3,577.40 and 1,230

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Solution

The fourth proportional to 2,383.44, 3,577.40 and 1,230 is: 1,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.44 : 3,577.40 = 1,230 : x
  2. Step 2: Convert to fraction form
    2,383.44/3,577.40 = 1,230/x
  3. Step 3: Cross multiply
    2,383.44x = 3,577.40 × 1,230
  4. Step 4: Simplify right side
    2,383.44x = 4,400,202
  5. Step 5: Solve for x
    x = 4,400,202/2,383.44
  6. Step 6: Final answer
    x = 1,846.16

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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.