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Finding the Fourth Proportional to 7,377.88, 10,181.48 and 4,065.88

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Solution

The fourth proportional to 7,377.88, 10,181.48 and 4,065.88 is: 5,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.88 : 10,181.48 = 4,065.88 : x
  2. Step 2: Convert to fraction form
    7,377.88/10,181.48 = 4,065.88/x
  3. Step 3: Cross multiply
    7,377.88x = 10,181.48 × 4,065.88
  4. Step 4: Simplify right side
    7,377.88x = 41,396,675.90
  5. Step 5: Solve for x
    x = 41,396,675.90/7,377.88
  6. Step 6: Final answer
    x = 5,610.92

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