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Finding the Fourth Proportional to 3,358.74, 5,038.83 and 1,409.82

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Solution

The fourth proportional to 3,358.74, 5,038.83 and 1,409.82 is: 2,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.74 : 5,038.83 = 1,409.82 : x
  2. Step 2: Convert to fraction form
    3,358.74/5,038.83 = 1,409.82/x
  3. Step 3: Cross multiply
    3,358.74x = 5,038.83 × 1,409.82
  4. Step 4: Simplify right side
    3,358.74x = 7,103,843.31
  5. Step 5: Solve for x
    x = 7,103,843.31/3,358.74
  6. Step 6: Final answer
    x = 2,115.03

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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.