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Finding the Fourth Proportional to 3,877.03, 5,342.63 and 2,756.03

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Solution

The fourth proportional to 3,877.03, 5,342.63 and 2,756.03 is: 3,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.03 : 5,342.63 = 2,756.03 : x
  2. Step 2: Convert to fraction form
    3,877.03/5,342.63 = 2,756.03/x
  3. Step 3: Cross multiply
    3,877.03x = 5,342.63 × 2,756.03
  4. Step 4: Simplify right side
    3,877.03x = 14,724,408.07
  5. Step 5: Solve for x
    x = 14,724,408.07/3,877.03
  6. Step 6: Final answer
    x = 3,797.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.