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Finding the Fourth Proportional to 1,824.71, 2,734.83 and 713.09

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Solution

The fourth proportional to 1,824.71, 2,734.83 and 713.09 is: 1,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.71 : 2,734.83 = 713.09 : x
  2. Step 2: Convert to fraction form
    1,824.71/2,734.83 = 713.09/x
  3. Step 3: Cross multiply
    1,824.71x = 2,734.83 × 713.09
  4. Step 4: Simplify right side
    1,824.71x = 1,950,166.25
  5. Step 5: Solve for x
    x = 1,950,166.25/1,824.71
  6. Step 6: Final answer
    x = 1,068.76

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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.