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Finding the Fourth Proportional to 1,773, 2,446.74 and 976.37

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Solution

The fourth proportional to 1,773, 2,446.74 and 976.37 is: 1,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773 : 2,446.74 = 976.37 : x
  2. Step 2: Convert to fraction form
    1,773/2,446.74 = 976.37/x
  3. Step 3: Cross multiply
    1,773x = 2,446.74 × 976.37
  4. Step 4: Simplify right side
    1,773x = 2,388,911.30
  5. Step 5: Solve for x
    x = 2,388,911.30/1,773
  6. Step 6: Final answer
    x = 1,347.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.