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Finding the Fourth Proportional to 8,546.64, 11,791.08 and 5,008.56

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Solution

The fourth proportional to 8,546.64, 11,791.08 and 5,008.56 is: 6,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.64 : 11,791.08 = 5,008.56 : x
  2. Step 2: Convert to fraction form
    8,546.64/11,791.08 = 5,008.56/x
  3. Step 3: Cross multiply
    8,546.64x = 11,791.08 × 5,008.56
  4. Step 4: Simplify right side
    8,546.64x = 59,056,331.64
  5. Step 5: Solve for x
    x = 59,056,331.64/8,546.64
  6. Step 6: Final answer
    x = 6,909.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.