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Finding the Fourth Proportional to 26,753.46, 40,120.72 and 7,774.15

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Solution

The fourth proportional to 26,753.46, 40,120.72 and 7,774.15 is: 11,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.46 : 40,120.72 = 7,774.15 : x
  2. Step 2: Convert to fraction form
    26,753.46/40,120.72 = 7,774.15/x
  3. Step 3: Cross multiply
    26,753.46x = 40,120.72 × 7,774.15
  4. Step 4: Simplify right side
    26,753.46x = 311,904,495.39
  5. Step 5: Solve for x
    x = 311,904,495.39/26,753.46
  6. Step 6: Final answer
    x = 11,658.47

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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.