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Finding the Fourth Proportional to 2,538.86, 3,808.86 and 895.46

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Solution

The fourth proportional to 2,538.86, 3,808.86 and 895.46 is: 1,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.86 : 3,808.86 = 895.46 : x
  2. Step 2: Convert to fraction form
    2,538.86/3,808.86 = 895.46/x
  3. Step 3: Cross multiply
    2,538.86x = 3,808.86 × 895.46
  4. Step 4: Simplify right side
    2,538.86x = 3,410,681.78
  5. Step 5: Solve for x
    x = 3,410,681.78/2,538.86
  6. Step 6: Final answer
    x = 1,343.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.