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Finding the Fourth Proportional to 8,755.81, 13,093.82 and 6,536.21

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Solution

The fourth proportional to 8,755.81, 13,093.82 and 6,536.21 is: 9,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.81 : 13,093.82 = 6,536.21 : x
  2. Step 2: Convert to fraction form
    8,755.81/13,093.82 = 6,536.21/x
  3. Step 3: Cross multiply
    8,755.81x = 13,093.82 × 6,536.21
  4. Step 4: Simplify right side
    8,755.81x = 85,583,883.58
  5. Step 5: Solve for x
    x = 85,583,883.58/8,755.81
  6. Step 6: Final answer
    x = 9,774.53

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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.