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Finding the Fourth Proportional to 5,880.80, 8,815.04 and 3,684.48

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Solution

The fourth proportional to 5,880.80, 8,815.04 and 3,684.48 is: 5,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.80 : 8,815.04 = 3,684.48 : x
  2. Step 2: Convert to fraction form
    5,880.80/8,815.04 = 3,684.48/x
  3. Step 3: Cross multiply
    5,880.80x = 8,815.04 × 3,684.48
  4. Step 4: Simplify right side
    5,880.80x = 32,478,838.58
  5. Step 5: Solve for x
    x = 32,478,838.58/5,880.80
  6. Step 6: Final answer
    x = 5,522.86

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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.