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Finding the Fourth Proportional to 8,662.55, 12,984.51 and 3,734.51

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Solution

The fourth proportional to 8,662.55, 12,984.51 and 3,734.51 is: 5,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.55 : 12,984.51 = 3,734.51 : x
  2. Step 2: Convert to fraction form
    8,662.55/12,984.51 = 3,734.51/x
  3. Step 3: Cross multiply
    8,662.55x = 12,984.51 × 3,734.51
  4. Step 4: Simplify right side
    8,662.55x = 48,490,782.44
  5. Step 5: Solve for x
    x = 48,490,782.44/8,662.55
  6. Step 6: Final answer
    x = 5,597.75

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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.