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Finding the Fourth Proportional to 2,754.47, 3,804.27 and 1,868.74

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Solution

The fourth proportional to 2,754.47, 3,804.27 and 1,868.74 is: 2,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.47 : 3,804.27 = 1,868.74 : x
  2. Step 2: Convert to fraction form
    2,754.47/3,804.27 = 1,868.74/x
  3. Step 3: Cross multiply
    2,754.47x = 3,804.27 × 1,868.74
  4. Step 4: Simplify right side
    2,754.47x = 7,109,172.50
  5. Step 5: Solve for x
    x = 7,109,172.50/2,754.47
  6. Step 6: Final answer
    x = 2,580.96

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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.