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Finding the Fourth Proportional to 1,366.71, 1,883.81 and 968.51

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Solution

The fourth proportional to 1,366.71, 1,883.81 and 968.51 is: 1,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.71 : 1,883.81 = 968.51 : x
  2. Step 2: Convert to fraction form
    1,366.71/1,883.81 = 968.51/x
  3. Step 3: Cross multiply
    1,366.71x = 1,883.81 × 968.51
  4. Step 4: Simplify right side
    1,366.71x = 1,824,481.83
  5. Step 5: Solve for x
    x = 1,824,481.83/1,366.71
  6. Step 6: Final answer
    x = 1,334.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.