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Finding the Fourth Proportional to 69,683.63, 96,163.25 and 39,468.87

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Solution

The fourth proportional to 69,683.63, 96,163.25 and 39,468.87 is: 54,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,683.63 : 96,163.25 = 39,468.87 : x
  2. Step 2: Convert to fraction form
    69,683.63/96,163.25 = 39,468.87/x
  3. Step 3: Cross multiply
    69,683.63x = 96,163.25 × 39,468.87
  4. Step 4: Simplify right side
    69,683.63x = 3,795,454,615.68
  5. Step 5: Solve for x
    x = 3,795,454,615.68/69,683.63
  6. Step 6: Final answer
    x = 54,466.95

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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.