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Finding the Fourth Proportional to 3,296.94, 4,938.30 and 3,103.08

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Solution

The fourth proportional to 3,296.94, 4,938.30 and 3,103.08 is: 4,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.94 : 4,938.30 = 3,103.08 : x
  2. Step 2: Convert to fraction form
    3,296.94/4,938.30 = 3,103.08/x
  3. Step 3: Cross multiply
    3,296.94x = 4,938.30 × 3,103.08
  4. Step 4: Simplify right side
    3,296.94x = 15,323,939.96
  5. Step 5: Solve for x
    x = 15,323,939.96/3,296.94
  6. Step 6: Final answer
    x = 4,647.93

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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.