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Finding the Fourth Proportional to 5,344.88, 7,375.88 and 2,955

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Solution

The fourth proportional to 5,344.88, 7,375.88 and 2,955 is: 4,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.88 : 7,375.88 = 2,955 : x
  2. Step 2: Convert to fraction form
    5,344.88/7,375.88 = 2,955/x
  3. Step 3: Cross multiply
    5,344.88x = 7,375.88 × 2,955
  4. Step 4: Simplify right side
    5,344.88x = 21,795,710.63
  5. Step 5: Solve for x
    x = 21,795,710.63/5,344.88
  6. Step 6: Final answer
    x = 4,077.87

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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.