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Finding the Fourth Proportional to 69,171.81, 95,458.86 and 38,958.27

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Solution

The fourth proportional to 69,171.81, 95,458.86 and 38,958.27 is: 53,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.81 : 95,458.86 = 38,958.27 : x
  2. Step 2: Convert to fraction form
    69,171.81/95,458.86 = 38,958.27/x
  3. Step 3: Cross multiply
    69,171.81x = 95,458.86 × 38,958.27
  4. Step 4: Simplify right side
    69,171.81x = 3,718,912,041.77
  5. Step 5: Solve for x
    x = 3,718,912,041.77/69,171.81
  6. Step 6: Final answer
    x = 53,763.41

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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.