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Finding the Fourth Proportional to 1,199.29, 1,796.58 and 1,068.68

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Solution

The fourth proportional to 1,199.29, 1,796.58 and 1,068.68 is: 1,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.29 : 1,796.58 = 1,068.68 : x
  2. Step 2: Convert to fraction form
    1,199.29/1,796.58 = 1,068.68/x
  3. Step 3: Cross multiply
    1,199.29x = 1,796.58 × 1,068.68
  4. Step 4: Simplify right side
    1,199.29x = 1,919,969.11
  5. Step 5: Solve for x
    x = 1,919,969.11/1,199.29
  6. Step 6: Final answer
    x = 1,600.92

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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.