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Finding the Fourth Proportional to 8,614.82, 11,888.89 and 4,837.78

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Solution

The fourth proportional to 8,614.82, 11,888.89 and 4,837.78 is: 6,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.82 : 11,888.89 = 4,837.78 : x
  2. Step 2: Convert to fraction form
    8,614.82/11,888.89 = 4,837.78/x
  3. Step 3: Cross multiply
    8,614.82x = 11,888.89 × 4,837.78
  4. Step 4: Simplify right side
    8,614.82x = 57,515,834.26
  5. Step 5: Solve for x
    x = 57,515,834.26/8,614.82
  6. Step 6: Final answer
    x = 6,676.38

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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.