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Finding the Fourth Proportional to 8,795.25, 13,161.71 and 7,757.28

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Solution

The fourth proportional to 8,795.25, 13,161.71 and 7,757.28 is: 11,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.25 : 13,161.71 = 7,757.28 : x
  2. Step 2: Convert to fraction form
    8,795.25/13,161.71 = 7,757.28/x
  3. Step 3: Cross multiply
    8,795.25x = 13,161.71 × 7,757.28
  4. Step 4: Simplify right side
    8,795.25x = 102,099,117.20
  5. Step 5: Solve for x
    x = 102,099,117.20/8,795.25
  6. Step 6: Final answer
    x = 11,608.44

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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.