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Finding the Fourth Proportional to 7,844.86, 10,825.98 and 4,308.15

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Solution

The fourth proportional to 7,844.86, 10,825.98 and 4,308.15 is: 5,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.86 : 10,825.98 = 4,308.15 : x
  2. Step 2: Convert to fraction form
    7,844.86/10,825.98 = 4,308.15/x
  3. Step 3: Cross multiply
    7,844.86x = 10,825.98 × 4,308.15
  4. Step 4: Simplify right side
    7,844.86x = 46,639,913.22
  5. Step 5: Solve for x
    x = 46,639,913.22/7,844.86
  6. Step 6: Final answer
    x = 5,945.28

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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.