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Finding the Fourth Proportional to 1,631.90, 2,250.72 and 1,495.22

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Solution

The fourth proportional to 1,631.90, 2,250.72 and 1,495.22 is: 2,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.90 : 2,250.72 = 1,495.22 : x
  2. Step 2: Convert to fraction form
    1,631.90/2,250.72 = 1,495.22/x
  3. Step 3: Cross multiply
    1,631.90x = 2,250.72 × 1,495.22
  4. Step 4: Simplify right side
    1,631.90x = 3,365,321.56
  5. Step 5: Solve for x
    x = 3,365,321.56/1,631.90
  6. Step 6: Final answer
    x = 2,062.21

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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.