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Finding the Fourth Proportional to 38,806.92, 53,552.94 and 22,885.56

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Solution

The fourth proportional to 38,806.92, 53,552.94 and 22,885.56 is: 31,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.92 : 53,552.94 = 22,885.56 : x
  2. Step 2: Convert to fraction form
    38,806.92/53,552.94 = 22,885.56/x
  3. Step 3: Cross multiply
    38,806.92x = 53,552.94 × 22,885.56
  4. Step 4: Simplify right side
    38,806.92x = 1,225,589,021.55
  5. Step 5: Solve for x
    x = 1,225,589,021.55/38,806.92
  6. Step 6: Final answer
    x = 31,581.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.