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Finding the Fourth Proportional to 1,379.52, 1,903.98 and 882.03

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Solution

The fourth proportional to 1,379.52, 1,903.98 and 882.03 is: 1,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379.52 : 1,903.98 = 882.03 : x
  2. Step 2: Convert to fraction form
    1,379.52/1,903.98 = 882.03/x
  3. Step 3: Cross multiply
    1,379.52x = 1,903.98 × 882.03
  4. Step 4: Simplify right side
    1,379.52x = 1,679,367.48
  5. Step 5: Solve for x
    x = 1,679,367.48/1,379.52
  6. Step 6: Final answer
    x = 1,217.36

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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.