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Finding the Fourth Proportional to 4,910.94, 7,367.08 and 1,790.54

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Solution

The fourth proportional to 4,910.94, 7,367.08 and 1,790.54 is: 2,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.94 : 7,367.08 = 1,790.54 : x
  2. Step 2: Convert to fraction form
    4,910.94/7,367.08 = 1,790.54/x
  3. Step 3: Cross multiply
    4,910.94x = 7,367.08 × 1,790.54
  4. Step 4: Simplify right side
    4,910.94x = 13,191,051.42
  5. Step 5: Solve for x
    x = 13,191,051.42/4,910.94
  6. Step 6: Final answer
    x = 2,686.05

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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.