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Finding the Fourth Proportional to 69,367.62, 95,724 and 40,683.36

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Solution

The fourth proportional to 69,367.62, 95,724 and 40,683.36 is: 56,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,367.62 : 95,724 = 40,683.36 : x
  2. Step 2: Convert to fraction form
    69,367.62/95,724 = 40,683.36/x
  3. Step 3: Cross multiply
    69,367.62x = 95,724 × 40,683.36
  4. Step 4: Simplify right side
    69,367.62x = 3,894,373,952.64
  5. Step 5: Solve for x
    x = 3,894,373,952.64/69,367.62
  6. Step 6: Final answer
    x = 56,141.09

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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.