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Finding the Fourth Proportional to 2,764.50, 3,815.01 and 1,522.50

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Solution

The fourth proportional to 2,764.50, 3,815.01 and 1,522.50 is: 2,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.50 : 3,815.01 = 1,522.50 : x
  2. Step 2: Convert to fraction form
    2,764.50/3,815.01 = 1,522.50/x
  3. Step 3: Cross multiply
    2,764.50x = 3,815.01 × 1,522.50
  4. Step 4: Simplify right side
    2,764.50x = 5,808,352.73
  5. Step 5: Solve for x
    x = 5,808,352.73/2,764.50
  6. Step 6: Final answer
    x = 2,101.05

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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.