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Finding the Fourth Proportional to 5,316.48, 7,335.90 and 3,326.31

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Solution

The fourth proportional to 5,316.48, 7,335.90 and 3,326.31 is: 4,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.48 : 7,335.90 = 3,326.31 : x
  2. Step 2: Convert to fraction form
    5,316.48/7,335.90 = 3,326.31/x
  3. Step 3: Cross multiply
    5,316.48x = 7,335.90 × 3,326.31
  4. Step 4: Simplify right side
    5,316.48x = 24,401,477.53
  5. Step 5: Solve for x
    x = 24,401,477.53/5,316.48
  6. Step 6: Final answer
    x = 4,589.78

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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.