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Finding the Fourth Proportional to 36,358.49, 54,538.41 and 11,397.98

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Solution

The fourth proportional to 36,358.49, 54,538.41 and 11,397.98 is: 17,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,358.49 : 54,538.41 = 11,397.98 : x
  2. Step 2: Convert to fraction form
    36,358.49/54,538.41 = 11,397.98/x
  3. Step 3: Cross multiply
    36,358.49x = 54,538.41 × 11,397.98
  4. Step 4: Simplify right side
    36,358.49x = 621,627,433.72
  5. Step 5: Solve for x
    x = 621,627,433.72/36,358.49
  6. Step 6: Final answer
    x = 17,097.18

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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.