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Finding the Fourth Proportional to 8,871.88, 13,304.10 and 3,028.84

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Solution

The fourth proportional to 8,871.88, 13,304.10 and 3,028.84 is: 4,541.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.88 : 13,304.10 = 3,028.84 : x
  2. Step 2: Convert to fraction form
    8,871.88/13,304.10 = 3,028.84/x
  3. Step 3: Cross multiply
    8,871.88x = 13,304.10 × 3,028.84
  4. Step 4: Simplify right side
    8,871.88x = 40,295,990.24
  5. Step 5: Solve for x
    x = 40,295,990.24/8,871.88
  6. Step 6: Final answer
    x = 4,541.99

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Why These Related Problems?

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