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Finding the Fourth Proportional to 4,615.18, 6,918.52 and 1,841.19

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Solution

The fourth proportional to 4,615.18, 6,918.52 and 1,841.19 is: 2,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.18 : 6,918.52 = 1,841.19 : x
  2. Step 2: Convert to fraction form
    4,615.18/6,918.52 = 1,841.19/x
  3. Step 3: Cross multiply
    4,615.18x = 6,918.52 × 1,841.19
  4. Step 4: Simplify right side
    4,615.18x = 12,738,309.84
  5. Step 5: Solve for x
    x = 12,738,309.84/4,615.18
  6. Step 6: Final answer
    x = 2,760.09

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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.