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Finding the Fourth Proportional to 69,858.22, 96,400.42 and 38,025.22

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Solution

The fourth proportional to 69,858.22, 96,400.42 and 38,025.22 is: 52,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,858.22 : 96,400.42 = 38,025.22 : x
  2. Step 2: Convert to fraction form
    69,858.22/96,400.42 = 38,025.22/x
  3. Step 3: Cross multiply
    69,858.22x = 96,400.42 × 38,025.22
  4. Step 4: Simplify right side
    69,858.22x = 3,665,647,178.59
  5. Step 5: Solve for x
    x = 3,665,647,178.59/69,858.22
  6. Step 6: Final answer
    x = 52,472.67

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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.