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Finding the Fourth Proportional to 6,236.64, 9,342.63 and 4,678.41

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Solution

The fourth proportional to 6,236.64, 9,342.63 and 4,678.41 is: 7,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.64 : 9,342.63 = 4,678.41 : x
  2. Step 2: Convert to fraction form
    6,236.64/9,342.63 = 4,678.41/x
  3. Step 3: Cross multiply
    6,236.64x = 9,342.63 × 4,678.41
  4. Step 4: Simplify right side
    6,236.64x = 43,708,653.62
  5. Step 5: Solve for x
    x = 43,708,653.62/6,236.64
  6. Step 6: Final answer
    x = 7,008.37

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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.