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Finding the Fourth Proportional to 38,433.92, 57,673.92 and 13,811.84

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Solution

The fourth proportional to 38,433.92, 57,673.92 and 13,811.84 is: 20,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433.92 : 57,673.92 = 13,811.84 : x
  2. Step 2: Convert to fraction form
    38,433.92/57,673.92 = 13,811.84/x
  3. Step 3: Cross multiply
    38,433.92x = 57,673.92 × 13,811.84
  4. Step 4: Simplify right side
    38,433.92x = 796,582,955.21
  5. Step 5: Solve for x
    x = 796,582,955.21/38,433.92
  6. Step 6: Final answer
    x = 20,726.04

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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.