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Finding the Fourth Proportional to 3,555.62, 5,333.44 and 1,246.58

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Solution

The fourth proportional to 3,555.62, 5,333.44 and 1,246.58 is: 1,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.62 : 5,333.44 = 1,246.58 : x
  2. Step 2: Convert to fraction form
    3,555.62/5,333.44 = 1,246.58/x
  3. Step 3: Cross multiply
    3,555.62x = 5,333.44 × 1,246.58
  4. Step 4: Simplify right side
    3,555.62x = 6,648,559.64
  5. Step 5: Solve for x
    x = 6,648,559.64/3,555.62
  6. Step 6: Final answer
    x = 1,869.87

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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.