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Finding the Fourth Proportional to 2,494.28, 3,741.39 and 955.28

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Solution

The fourth proportional to 2,494.28, 3,741.39 and 955.28 is: 1,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.28 : 3,741.39 = 955.28 : x
  2. Step 2: Convert to fraction form
    2,494.28/3,741.39 = 955.28/x
  3. Step 3: Cross multiply
    2,494.28x = 3,741.39 × 955.28
  4. Step 4: Simplify right side
    2,494.28x = 3,574,051.56
  5. Step 5: Solve for x
    x = 3,574,051.56/2,494.28
  6. Step 6: Final answer
    x = 1,432.90

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Why These Related Problems?

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