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Finding the Fourth Proportional to 1,535.82, 2,304.82 and 1,189.96

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Solution

The fourth proportional to 1,535.82, 2,304.82 and 1,189.96 is: 1,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.82 : 2,304.82 = 1,189.96 : x
  2. Step 2: Convert to fraction form
    1,535.82/2,304.82 = 1,189.96/x
  3. Step 3: Cross multiply
    1,535.82x = 2,304.82 × 1,189.96
  4. Step 4: Simplify right side
    1,535.82x = 2,742,643.61
  5. Step 5: Solve for x
    x = 2,742,643.61/1,535.82
  6. Step 6: Final answer
    x = 1,785.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.