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Finding the Fourth Proportional to 26,969.56, 40,454.34 and 8,503

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Solution

The fourth proportional to 26,969.56, 40,454.34 and 8,503 is: 12,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.56 : 40,454.34 = 8,503 : x
  2. Step 2: Convert to fraction form
    26,969.56/40,454.34 = 8,503/x
  3. Step 3: Cross multiply
    26,969.56x = 40,454.34 × 8,503
  4. Step 4: Simplify right side
    26,969.56x = 343,983,253.02
  5. Step 5: Solve for x
    x = 343,983,253.02/26,969.56
  6. Step 6: Final answer
    x = 12,754.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.