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Finding the Fourth Proportional to 8,566.07, 12,847.37 and 3,019.64

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Solution

The fourth proportional to 8,566.07, 12,847.37 and 3,019.64 is: 4,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.07 : 12,847.37 = 3,019.64 : x
  2. Step 2: Convert to fraction form
    8,566.07/12,847.37 = 3,019.64/x
  3. Step 3: Cross multiply
    8,566.07x = 12,847.37 × 3,019.64
  4. Step 4: Simplify right side
    8,566.07x = 38,794,353.01
  5. Step 5: Solve for x
    x = 38,794,353.01/8,566.07
  6. Step 6: Final answer
    x = 4,528.84

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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.