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Finding the Fourth Proportional to 4,802.89, 6,628.05 and 2,939.89

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Solution

The fourth proportional to 4,802.89, 6,628.05 and 2,939.89 is: 4,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.89 : 6,628.05 = 2,939.89 : x
  2. Step 2: Convert to fraction form
    4,802.89/6,628.05 = 2,939.89/x
  3. Step 3: Cross multiply
    4,802.89x = 6,628.05 × 2,939.89
  4. Step 4: Simplify right side
    4,802.89x = 19,485,737.91
  5. Step 5: Solve for x
    x = 19,485,737.91/4,802.89
  6. Step 6: Final answer
    x = 4,057.09

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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.