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Finding the Fourth Proportional to 3,494.83, 4,822.77 and 1,901.41

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Solution

The fourth proportional to 3,494.83, 4,822.77 and 1,901.41 is: 2,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.83 : 4,822.77 = 1,901.41 : x
  2. Step 2: Convert to fraction form
    3,494.83/4,822.77 = 1,901.41/x
  3. Step 3: Cross multiply
    3,494.83x = 4,822.77 × 1,901.41
  4. Step 4: Simplify right side
    3,494.83x = 9,170,038.99
  5. Step 5: Solve for x
    x = 9,170,038.99/3,494.83
  6. Step 6: Final answer
    x = 2,623.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.