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Finding the Fourth Proportional to 1,744.22, 2,407.06 and 958.22

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Solution

The fourth proportional to 1,744.22, 2,407.06 and 958.22 is: 1,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.22 : 2,407.06 = 958.22 : x
  2. Step 2: Convert to fraction form
    1,744.22/2,407.06 = 958.22/x
  3. Step 3: Cross multiply
    1,744.22x = 2,407.06 × 958.22
  4. Step 4: Simplify right side
    1,744.22x = 2,306,493.03
  5. Step 5: Solve for x
    x = 2,306,493.03/1,744.22
  6. Step 6: Final answer
    x = 1,322.36

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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.