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Finding the Fourth Proportional to 1,427.23, 1,968.76 and 895.90

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Solution

The fourth proportional to 1,427.23, 1,968.76 and 895.90 is: 1,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.23 : 1,968.76 = 895.90 : x
  2. Step 2: Convert to fraction form
    1,427.23/1,968.76 = 895.90/x
  3. Step 3: Cross multiply
    1,427.23x = 1,968.76 × 895.90
  4. Step 4: Simplify right side
    1,427.23x = 1,763,807.60
  5. Step 5: Solve for x
    x = 1,763,807.60/1,427.23
  6. Step 6: Final answer
    x = 1,235.83

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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.