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Finding the Fourth Proportional to 26,625.95, 39,945.18 and 7,906.14

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Solution

The fourth proportional to 26,625.95, 39,945.18 and 7,906.14 is: 11,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,625.95 : 39,945.18 = 7,906.14 : x
  2. Step 2: Convert to fraction form
    26,625.95/39,945.18 = 7,906.14/x
  3. Step 3: Cross multiply
    26,625.95x = 39,945.18 × 7,906.14
  4. Step 4: Simplify right side
    26,625.95x = 315,812,185.41
  5. Step 5: Solve for x
    x = 315,812,185.41/26,625.95
  6. Step 6: Final answer
    x = 11,861.07

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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.