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Finding the Fourth Proportional to 5,770.55, 8,653.89 and 1,874

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Solution

The fourth proportional to 5,770.55, 8,653.89 and 1,874 is: 2,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.55 : 8,653.89 = 1,874 : x
  2. Step 2: Convert to fraction form
    5,770.55/8,653.89 = 1,874/x
  3. Step 3: Cross multiply
    5,770.55x = 8,653.89 × 1,874
  4. Step 4: Simplify right side
    5,770.55x = 16,217,389.86
  5. Step 5: Solve for x
    x = 16,217,389.86/5,770.55
  6. Step 6: Final answer
    x = 2,810.37

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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.