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Finding the Fourth Proportional to 26,546.50, 36,639.03 and 15,368.50

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Solution

The fourth proportional to 26,546.50, 36,639.03 and 15,368.50 is: 21,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,546.50 : 36,639.03 = 15,368.50 : x
  2. Step 2: Convert to fraction form
    26,546.50/36,639.03 = 15,368.50/x
  3. Step 3: Cross multiply
    26,546.50x = 36,639.03 × 15,368.50
  4. Step 4: Simplify right side
    26,546.50x = 563,086,932.56
  5. Step 5: Solve for x
    x = 563,086,932.56/26,546.50
  6. Step 6: Final answer
    x = 21,211.34

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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.