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Finding the Fourth Proportional to 67,896, 101,869.92 and 26,346.24

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Solution

The fourth proportional to 67,896, 101,869.92 and 26,346.24 is: 39,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,896 : 101,869.92 = 26,346.24 : x
  2. Step 2: Convert to fraction form
    67,896/101,869.92 = 26,346.24/x
  3. Step 3: Cross multiply
    67,896x = 101,869.92 × 26,346.24
  4. Step 4: Simplify right side
    67,896x = 2,683,889,361.10
  5. Step 5: Solve for x
    x = 2,683,889,361.10/67,896
  6. Step 6: Final answer
    x = 39,529.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.