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Finding the Fourth Proportional to 2,763.58, 4,146.72 and 1,302.52

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Solution

The fourth proportional to 2,763.58, 4,146.72 and 1,302.52 is: 1,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.58 : 4,146.72 = 1,302.52 : x
  2. Step 2: Convert to fraction form
    2,763.58/4,146.72 = 1,302.52/x
  3. Step 3: Cross multiply
    2,763.58x = 4,146.72 × 1,302.52
  4. Step 4: Simplify right side
    2,763.58x = 5,401,185.73
  5. Step 5: Solve for x
    x = 5,401,185.73/2,763.58
  6. Step 6: Final answer
    x = 1,954.42

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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.