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Finding the Fourth Proportional to 1,341.14, 1,850.75 and 743.63

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Solution

The fourth proportional to 1,341.14, 1,850.75 and 743.63 is: 1,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.14 : 1,850.75 = 743.63 : x
  2. Step 2: Convert to fraction form
    1,341.14/1,850.75 = 743.63/x
  3. Step 3: Cross multiply
    1,341.14x = 1,850.75 × 743.63
  4. Step 4: Simplify right side
    1,341.14x = 1,376,260.25
  5. Step 5: Solve for x
    x = 1,376,260.25/1,341.14
  6. Step 6: Final answer
    x = 1,026.19

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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.