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Finding the Fourth Proportional to 8,767.08, 13,152.78 and 4,149

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Solution

The fourth proportional to 8,767.08, 13,152.78 and 4,149 is: 6,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.08 : 13,152.78 = 4,149 : x
  2. Step 2: Convert to fraction form
    8,767.08/13,152.78 = 4,149/x
  3. Step 3: Cross multiply
    8,767.08x = 13,152.78 × 4,149
  4. Step 4: Simplify right side
    8,767.08x = 54,570,884.22
  5. Step 5: Solve for x
    x = 54,570,884.22/8,767.08
  6. Step 6: Final answer
    x = 6,224.52

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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.