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Finding the Fourth Proportional to 8,951.08, 13,412.82 and 4,791.64

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Solution

The fourth proportional to 8,951.08, 13,412.82 and 4,791.64 is: 7,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.08 : 13,412.82 = 4,791.64 : x
  2. Step 2: Convert to fraction form
    8,951.08/13,412.82 = 4,791.64/x
  3. Step 3: Cross multiply
    8,951.08x = 13,412.82 × 4,791.64
  4. Step 4: Simplify right side
    8,951.08x = 64,269,404.82
  5. Step 5: Solve for x
    x = 64,269,404.82/8,951.08
  6. Step 6: Final answer
    x = 7,180.07

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1.5x scale

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.