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Finding the Fourth Proportional to 2,749.48, 4,126.48 and 1,362.76

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Solution

The fourth proportional to 2,749.48, 4,126.48 and 1,362.76 is: 2,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.48 : 4,126.48 = 1,362.76 : x
  2. Step 2: Convert to fraction form
    2,749.48/4,126.48 = 1,362.76/x
  3. Step 3: Cross multiply
    2,749.48x = 4,126.48 × 1,362.76
  4. Step 4: Simplify right side
    2,749.48x = 5,623,401.88
  5. Step 5: Solve for x
    x = 5,623,401.88/2,749.48
  6. Step 6: Final answer
    x = 2,045.26

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