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Finding the Fourth Proportional to 6,394.79, 8,824.77 and 3,562.02

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Solution

The fourth proportional to 6,394.79, 8,824.77 and 3,562.02 is: 4,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.79 : 8,824.77 = 3,562.02 : x
  2. Step 2: Convert to fraction form
    6,394.79/8,824.77 = 3,562.02/x
  3. Step 3: Cross multiply
    6,394.79x = 8,824.77 × 3,562.02
  4. Step 4: Simplify right side
    6,394.79x = 31,434,007.24
  5. Step 5: Solve for x
    x = 31,434,007.24/6,394.79
  6. Step 6: Final answer
    x = 4,915.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.