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Finding the Fourth Proportional to 1,301.24, 1,795.97 and 903.73

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Solution

The fourth proportional to 1,301.24, 1,795.97 and 903.73 is: 1,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.24 : 1,795.97 = 903.73 : x
  2. Step 2: Convert to fraction form
    1,301.24/1,795.97 = 903.73/x
  3. Step 3: Cross multiply
    1,301.24x = 1,795.97 × 903.73
  4. Step 4: Simplify right side
    1,301.24x = 1,623,078.16
  5. Step 5: Solve for x
    x = 1,623,078.16/1,301.24
  6. Step 6: Final answer
    x = 1,247.33

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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.