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Finding the Fourth Proportional to 27,163.68, 40,733.34 and 9,628.80

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Solution

The fourth proportional to 27,163.68, 40,733.34 and 9,628.80 is: 14,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.68 : 40,733.34 = 9,628.80 : x
  2. Step 2: Convert to fraction form
    27,163.68/40,733.34 = 9,628.80/x
  3. Step 3: Cross multiply
    27,163.68x = 40,733.34 × 9,628.80
  4. Step 4: Simplify right side
    27,163.68x = 392,213,184.19
  5. Step 5: Solve for x
    x = 392,213,184.19/27,163.68
  6. Step 6: Final answer
    x = 14,438.88

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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.