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Finding the Fourth Proportional to 7,954.89, 10,980.81 and 5,301.33

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Solution

The fourth proportional to 7,954.89, 10,980.81 and 5,301.33 is: 7,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.89 : 10,980.81 = 5,301.33 : x
  2. Step 2: Convert to fraction form
    7,954.89/10,980.81 = 5,301.33/x
  3. Step 3: Cross multiply
    7,954.89x = 10,980.81 × 5,301.33
  4. Step 4: Simplify right side
    7,954.89x = 58,212,897.48
  5. Step 5: Solve for x
    x = 58,212,897.48/7,954.89
  6. Step 6: Final answer
    x = 7,317.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.