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Finding the Fourth Proportional to 55,108.40, 82,662.96 and 17,674.16

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Solution

The fourth proportional to 55,108.40, 82,662.96 and 17,674.16 is: 26,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.40 : 82,662.96 = 17,674.16 : x
  2. Step 2: Convert to fraction form
    55,108.40/82,662.96 = 17,674.16/x
  3. Step 3: Cross multiply
    55,108.40x = 82,662.96 × 17,674.16
  4. Step 4: Simplify right side
    55,108.40x = 1,460,998,381.11
  5. Step 5: Solve for x
    x = 1,460,998,381.11/55,108.40
  6. Step 6: Final answer
    x = 26,511.36

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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.