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Finding the Fourth Proportional to 8,868.80, 13,304.80 and 3,675.04

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Solution

The fourth proportional to 8,868.80, 13,304.80 and 3,675.04 is: 5,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.80 : 13,304.80 = 3,675.04 : x
  2. Step 2: Convert to fraction form
    8,868.80/13,304.80 = 3,675.04/x
  3. Step 3: Cross multiply
    8,868.80x = 13,304.80 × 3,675.04
  4. Step 4: Simplify right side
    8,868.80x = 48,895,672.19
  5. Step 5: Solve for x
    x = 48,895,672.19/8,868.80
  6. Step 6: Final answer
    x = 5,513.22

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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.