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Finding the Fourth Proportional to 7,906.98, 11,842.97 and 5,125.24

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Solution

The fourth proportional to 7,906.98, 11,842.97 and 5,125.24 is: 7,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.98 : 11,842.97 = 5,125.24 : x
  2. Step 2: Convert to fraction form
    7,906.98/11,842.97 = 5,125.24/x
  3. Step 3: Cross multiply
    7,906.98x = 11,842.97 × 5,125.24
  4. Step 4: Simplify right side
    7,906.98x = 60,698,004.35
  5. Step 5: Solve for x
    x = 60,698,004.35/7,906.98
  6. Step 6: Final answer
    x = 7,676.51

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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.