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Finding the Fourth Proportional to 5,877.44, 8,109.60 and 3,392

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Solution

The fourth proportional to 5,877.44, 8,109.60 and 3,392 is: 4,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.44 : 8,109.60 = 3,392 : x
  2. Step 2: Convert to fraction form
    5,877.44/8,109.60 = 3,392/x
  3. Step 3: Cross multiply
    5,877.44x = 8,109.60 × 3,392
  4. Step 4: Simplify right side
    5,877.44x = 27,507,763.20
  5. Step 5: Solve for x
    x = 27,507,763.20/5,877.44
  6. Step 6: Final answer
    x = 4,680.23

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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.