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Finding the Fourth Proportional to 1,369.85, 2,055.04 and 996.37

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Solution

The fourth proportional to 1,369.85, 2,055.04 and 996.37 is: 1,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.85 : 2,055.04 = 996.37 : x
  2. Step 2: Convert to fraction form
    1,369.85/2,055.04 = 996.37/x
  3. Step 3: Cross multiply
    1,369.85x = 2,055.04 × 996.37
  4. Step 4: Simplify right side
    1,369.85x = 2,047,572.58
  5. Step 5: Solve for x
    x = 2,047,572.58/1,369.85
  6. Step 6: Final answer
    x = 1,494.75

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1.5x scale

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.