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Finding the Fourth Proportional to 1,966.06, 2,945.44 and 1,348.03

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Solution

The fourth proportional to 1,966.06, 2,945.44 and 1,348.03 is: 2,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.06 : 2,945.44 = 1,348.03 : x
  2. Step 2: Convert to fraction form
    1,966.06/2,945.44 = 1,348.03/x
  3. Step 3: Cross multiply
    1,966.06x = 2,945.44 × 1,348.03
  4. Step 4: Simplify right side
    1,966.06x = 3,970,541.48
  5. Step 5: Solve for x
    x = 3,970,541.48/1,966.06
  6. Step 6: Final answer
    x = 2,019.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.