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Finding the Fourth Proportional to 7,927.41, 10,940.01 and 4,390.86

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Solution

The fourth proportional to 7,927.41, 10,940.01 and 4,390.86 is: 6,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.41 : 10,940.01 = 4,390.86 : x
  2. Step 2: Convert to fraction form
    7,927.41/10,940.01 = 4,390.86/x
  3. Step 3: Cross multiply
    7,927.41x = 10,940.01 × 4,390.86
  4. Step 4: Simplify right side
    7,927.41x = 48,036,052.31
  5. Step 5: Solve for x
    x = 48,036,052.31/7,927.41
  6. Step 6: Final answer
    x = 6,059.49

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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.