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Finding the Fourth Proportional to 2,250.95, 3,105.94 and 1,455.37

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Solution

The fourth proportional to 2,250.95, 3,105.94 and 1,455.37 is: 2,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.95 : 3,105.94 = 1,455.37 : x
  2. Step 2: Convert to fraction form
    2,250.95/3,105.94 = 1,455.37/x
  3. Step 3: Cross multiply
    2,250.95x = 3,105.94 × 1,455.37
  4. Step 4: Simplify right side
    2,250.95x = 4,520,283.16
  5. Step 5: Solve for x
    x = 4,520,283.16/2,250.95
  6. Step 6: Final answer
    x = 2,008.16

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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.