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Finding the Fourth Proportional to 4,993.14, 7,479.99 and 3,256.50

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Solution

The fourth proportional to 4,993.14, 7,479.99 and 3,256.50 is: 4,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.14 : 7,479.99 = 3,256.50 : x
  2. Step 2: Convert to fraction form
    4,993.14/7,479.99 = 3,256.50/x
  3. Step 3: Cross multiply
    4,993.14x = 7,479.99 × 3,256.50
  4. Step 4: Simplify right side
    4,993.14x = 24,358,587.44
  5. Step 5: Solve for x
    x = 24,358,587.44/4,993.14
  6. Step 6: Final answer
    x = 4,878.41

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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.