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Finding the Fourth Proportional to 38,093.84, 57,140.15 and 10,391.84

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Solution

The fourth proportional to 38,093.84, 57,140.15 and 10,391.84 is: 15,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,093.84 : 57,140.15 = 10,391.84 : x
  2. Step 2: Convert to fraction form
    38,093.84/57,140.15 = 10,391.84/x
  3. Step 3: Cross multiply
    38,093.84x = 57,140.15 × 10,391.84
  4. Step 4: Simplify right side
    38,093.84x = 593,790,958.72
  5. Step 5: Solve for x
    x = 593,790,958.72/38,093.84
  6. Step 6: Final answer
    x = 15,587.59

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Similar ratio
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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.