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Finding the Fourth Proportional to 4,951.88, 7,418.54 and 2,483.81

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Solution

The fourth proportional to 4,951.88, 7,418.54 and 2,483.81 is: 3,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.88 : 7,418.54 = 2,483.81 : x
  2. Step 2: Convert to fraction form
    4,951.88/7,418.54 = 2,483.81/x
  3. Step 3: Cross multiply
    4,951.88x = 7,418.54 × 2,483.81
  4. Step 4: Simplify right side
    4,951.88x = 18,426,194.33
  5. Step 5: Solve for x
    x = 18,426,194.33/4,951.88
  6. Step 6: Final answer
    x = 3,721.05

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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.