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Finding the Fourth Proportional to 38,270.76, 57,409.11 and 10,568.76

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Solution

The fourth proportional to 38,270.76, 57,409.11 and 10,568.76 is: 15,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.76 : 57,409.11 = 10,568.76 : x
  2. Step 2: Convert to fraction form
    38,270.76/57,409.11 = 10,568.76/x
  3. Step 3: Cross multiply
    38,270.76x = 57,409.11 × 10,568.76
  4. Step 4: Simplify right side
    38,270.76x = 606,743,105.40
  5. Step 5: Solve for x
    x = 606,743,105.40/38,270.76
  6. Step 6: Final answer
    x = 15,853.96

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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.