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Finding the Fourth Proportional to 3,821.04, 5,729.76 and 1,740.96

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Solution

The fourth proportional to 3,821.04, 5,729.76 and 1,740.96 is: 2,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.04 : 5,729.76 = 1,740.96 : x
  2. Step 2: Convert to fraction form
    3,821.04/5,729.76 = 1,740.96/x
  3. Step 3: Cross multiply
    3,821.04x = 5,729.76 × 1,740.96
  4. Step 4: Simplify right side
    3,821.04x = 9,975,282.97
  5. Step 5: Solve for x
    x = 9,975,282.97/3,821.04
  6. Step 6: Final answer
    x = 2,610.62

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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.