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Finding the Fourth Proportional to 4,961.70, 7,435.80 and 2,498.22

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Solution

The fourth proportional to 4,961.70, 7,435.80 and 2,498.22 is: 3,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.70 : 7,435.80 = 2,498.22 : x
  2. Step 2: Convert to fraction form
    4,961.70/7,435.80 = 2,498.22/x
  3. Step 3: Cross multiply
    4,961.70x = 7,435.80 × 2,498.22
  4. Step 4: Simplify right side
    4,961.70x = 18,576,264.28
  5. Step 5: Solve for x
    x = 18,576,264.28/4,961.70
  6. Step 6: Final answer
    x = 3,743.93

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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.