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Finding the Fourth Proportional to 8,554, 11,805.06 and 4,828

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Solution

The fourth proportional to 8,554, 11,805.06 and 4,828 is: 6,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554 : 11,805.06 = 4,828 : x
  2. Step 2: Convert to fraction form
    8,554/11,805.06 = 4,828/x
  3. Step 3: Cross multiply
    8,554x = 11,805.06 × 4,828
  4. Step 4: Simplify right side
    8,554x = 56,994,829.68
  5. Step 5: Solve for x
    x = 56,994,829.68/8,554
  6. Step 6: Final answer
    x = 6,662.94

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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.