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Finding the Fourth Proportional to 2,630.06, 3,629.33 and 1,435.06

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Solution

The fourth proportional to 2,630.06, 3,629.33 and 1,435.06 is: 1,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.06 : 3,629.33 = 1,435.06 : x
  2. Step 2: Convert to fraction form
    2,630.06/3,629.33 = 1,435.06/x
  3. Step 3: Cross multiply
    2,630.06x = 3,629.33 × 1,435.06
  4. Step 4: Simplify right side
    2,630.06x = 5,208,290.06
  5. Step 5: Solve for x
    x = 5,208,290.06/2,630.06
  6. Step 6: Final answer
    x = 1,980.29

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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.