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Finding the Fourth Proportional to 3,339.99, 5,014.62 and 2,103.75

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Solution

The fourth proportional to 3,339.99, 5,014.62 and 2,103.75 is: 3,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.99 : 5,014.62 = 2,103.75 : x
  2. Step 2: Convert to fraction form
    3,339.99/5,014.62 = 2,103.75/x
  3. Step 3: Cross multiply
    3,339.99x = 5,014.62 × 2,103.75
  4. Step 4: Simplify right side
    3,339.99x = 10,549,506.83
  5. Step 5: Solve for x
    x = 10,549,506.83/3,339.99
  6. Step 6: Final answer
    x = 3,158.54

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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.