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Finding the Fourth Proportional to 7,325.30, 10,108.94 and 3,968.11

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Solution

The fourth proportional to 7,325.30, 10,108.94 and 3,968.11 is: 5,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.30 : 10,108.94 = 3,968.11 : x
  2. Step 2: Convert to fraction form
    7,325.30/10,108.94 = 3,968.11/x
  3. Step 3: Cross multiply
    7,325.30x = 10,108.94 × 3,968.11
  4. Step 4: Simplify right side
    7,325.30x = 40,113,335.36
  5. Step 5: Solve for x
    x = 40,113,335.36/7,325.30
  6. Step 6: Final answer
    x = 5,476.00

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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.