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Finding the Fourth Proportional to 5,291.39, 7,301.34 and 2,933.55

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Solution

The fourth proportional to 5,291.39, 7,301.34 and 2,933.55 is: 4,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.39 : 7,301.34 = 2,933.55 : x
  2. Step 2: Convert to fraction form
    5,291.39/7,301.34 = 2,933.55/x
  3. Step 3: Cross multiply
    5,291.39x = 7,301.34 × 2,933.55
  4. Step 4: Simplify right side
    5,291.39x = 21,418,845.96
  5. Step 5: Solve for x
    x = 21,418,845.96/5,291.39
  6. Step 6: Final answer
    x = 4,047.87

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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.