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Finding the Fourth Proportional to 7,579.26, 11,368.98 and 2,648.97

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Solution

The fourth proportional to 7,579.26, 11,368.98 and 2,648.97 is: 3,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.26 : 11,368.98 = 2,648.97 : x
  2. Step 2: Convert to fraction form
    7,579.26/11,368.98 = 2,648.97/x
  3. Step 3: Cross multiply
    7,579.26x = 11,368.98 × 2,648.97
  4. Step 4: Simplify right side
    7,579.26x = 30,116,086.95
  5. Step 5: Solve for x
    x = 30,116,086.95/7,579.26
  6. Step 6: Final answer
    x = 3,973.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.