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Finding the Fourth Proportional to 2,998.68, 4,495.50 and 1,842

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Solution

The fourth proportional to 2,998.68, 4,495.50 and 1,842 is: 2,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.68 : 4,495.50 = 1,842 : x
  2. Step 2: Convert to fraction form
    2,998.68/4,495.50 = 1,842/x
  3. Step 3: Cross multiply
    2,998.68x = 4,495.50 × 1,842
  4. Step 4: Simplify right side
    2,998.68x = 8,280,711
  5. Step 5: Solve for x
    x = 8,280,711/2,998.68
  6. Step 6: Final answer
    x = 2,761.45

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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.