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Finding the Fourth Proportional to 2,361.91, 3,259.24 and 1,313.95

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Solution

The fourth proportional to 2,361.91, 3,259.24 and 1,313.95 is: 1,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.91 : 3,259.24 = 1,313.95 : x
  2. Step 2: Convert to fraction form
    2,361.91/3,259.24 = 1,313.95/x
  3. Step 3: Cross multiply
    2,361.91x = 3,259.24 × 1,313.95
  4. Step 4: Simplify right side
    2,361.91x = 4,282,478.40
  5. Step 5: Solve for x
    x = 4,282,478.40/2,361.91
  6. Step 6: Final answer
    x = 1,813.14

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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.