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Finding the Fourth Proportional to 8,059.85, 11,992.25 and 7,858.97

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Solution

The fourth proportional to 8,059.85, 11,992.25 and 7,858.97 is: 11,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.85 : 11,992.25 = 7,858.97 : x
  2. Step 2: Convert to fraction form
    8,059.85/11,992.25 = 7,858.97/x
  3. Step 3: Cross multiply
    8,059.85x = 11,992.25 × 7,858.97
  4. Step 4: Simplify right side
    8,059.85x = 94,246,692.67
  5. Step 5: Solve for x
    x = 94,246,692.67/8,059.85
  6. Step 6: Final answer
    x = 11,693.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.