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Finding the Fourth Proportional to 2,998.01, 4,136.16 and 1,879.00

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Solution

The fourth proportional to 2,998.01, 4,136.16 and 1,879.00 is: 2,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.01 : 4,136.16 = 1,879.00 : x
  2. Step 2: Convert to fraction form
    2,998.01/4,136.16 = 1,879.00/x
  3. Step 3: Cross multiply
    2,998.01x = 4,136.16 × 1,879.00
  4. Step 4: Simplify right side
    2,998.01x = 7,771,841.35
  5. Step 5: Solve for x
    x = 7,771,841.35/2,998.01
  6. Step 6: Final answer
    x = 2,592.33

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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.