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Finding the Fourth Proportional to 7,873.25, 10,865.09 and 4,336.46

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Solution

The fourth proportional to 7,873.25, 10,865.09 and 4,336.46 is: 5,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.25 : 10,865.09 = 4,336.46 : x
  2. Step 2: Convert to fraction form
    7,873.25/10,865.09 = 4,336.46/x
  3. Step 3: Cross multiply
    7,873.25x = 10,865.09 × 4,336.46
  4. Step 4: Simplify right side
    7,873.25x = 47,116,028.18
  5. Step 5: Solve for x
    x = 47,116,028.18/7,873.25
  6. Step 6: Final answer
    x = 5,984.32

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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.