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Finding the Fourth Proportional to 27,960.45, 41,931.78 and 9,236.99

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Solution

The fourth proportional to 27,960.45, 41,931.78 and 9,236.99 is: 13,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.45 : 41,931.78 = 9,236.99 : x
  2. Step 2: Convert to fraction form
    27,960.45/41,931.78 = 9,236.99/x
  3. Step 3: Cross multiply
    27,960.45x = 41,931.78 × 9,236.99
  4. Step 4: Simplify right side
    27,960.45x = 387,323,222.88
  5. Step 5: Solve for x
    x = 387,323,222.88/27,960.45
  6. Step 6: Final answer
    x = 13,852.54

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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.