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Finding the Fourth Proportional to 50,347.97, 69,481.97 and 27,688.67

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Solution

The fourth proportional to 50,347.97, 69,481.97 and 27,688.67 is: 38,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347.97 : 69,481.97 = 27,688.67 : x
  2. Step 2: Convert to fraction form
    50,347.97/69,481.97 = 27,688.67/x
  3. Step 3: Cross multiply
    50,347.97x = 69,481.97 × 27,688.67
  4. Step 4: Simplify right side
    50,347.97x = 1,923,863,338.28
  5. Step 5: Solve for x
    x = 1,923,863,338.28/50,347.97
  6. Step 6: Final answer
    x = 38,211.34

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Half scale
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Double scale
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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.