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Finding the Fourth Proportional to 4,615.19, 6,921.08 and 1,841.03

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Solution

The fourth proportional to 4,615.19, 6,921.08 and 1,841.03 is: 2,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.19 : 6,921.08 = 1,841.03 : x
  2. Step 2: Convert to fraction form
    4,615.19/6,921.08 = 1,841.03/x
  3. Step 3: Cross multiply
    4,615.19x = 6,921.08 × 1,841.03
  4. Step 4: Simplify right side
    4,615.19x = 12,741,906.71
  5. Step 5: Solve for x
    x = 12,741,906.71/4,615.19
  6. Step 6: Final answer
    x = 2,760.86

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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.