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Finding the Fourth Proportional to 6,579.69, 9,076.81 and 4,784.39

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Solution

The fourth proportional to 6,579.69, 9,076.81 and 4,784.39 is: 6,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.69 : 9,076.81 = 4,784.39 : x
  2. Step 2: Convert to fraction form
    6,579.69/9,076.81 = 4,784.39/x
  3. Step 3: Cross multiply
    6,579.69x = 9,076.81 × 4,784.39
  4. Step 4: Simplify right side
    6,579.69x = 43,426,999.00
  5. Step 5: Solve for x
    x = 43,426,999.00/6,579.69
  6. Step 6: Final answer
    x = 6,600.16

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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.