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Finding the Fourth Proportional to 5,772.88, 8,659.28 and 3,824.64

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Solution

The fourth proportional to 5,772.88, 8,659.28 and 3,824.64 is: 5,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.88 : 8,659.28 = 3,824.64 : x
  2. Step 2: Convert to fraction form
    5,772.88/8,659.28 = 3,824.64/x
  3. Step 3: Cross multiply
    5,772.88x = 8,659.28 × 3,824.64
  4. Step 4: Simplify right side
    5,772.88x = 33,118,628.66
  5. Step 5: Solve for x
    x = 33,118,628.66/5,772.88
  6. Step 6: Final answer
    x = 5,736.93

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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.