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Finding the Fourth Proportional to 2,364.60, 3,263 and 1,369.81

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Solution

The fourth proportional to 2,364.60, 3,263 and 1,369.81 is: 1,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.60 : 3,263 = 1,369.81 : x
  2. Step 2: Convert to fraction form
    2,364.60/3,263 = 1,369.81/x
  3. Step 3: Cross multiply
    2,364.60x = 3,263 × 1,369.81
  4. Step 4: Simplify right side
    2,364.60x = 4,469,673.72
  5. Step 5: Solve for x
    x = 4,469,673.72/2,364.60
  6. Step 6: Final answer
    x = 1,890.25

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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.