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Finding the Fourth Proportional to 39,401.04, 54,375.04 and 22,634

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Solution

The fourth proportional to 39,401.04, 54,375.04 and 22,634 is: 31,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.04 : 54,375.04 = 22,634 : x
  2. Step 2: Convert to fraction form
    39,401.04/54,375.04 = 22,634/x
  3. Step 3: Cross multiply
    39,401.04x = 54,375.04 × 22,634
  4. Step 4: Simplify right side
    39,401.04x = 1,230,724,655.36
  5. Step 5: Solve for x
    x = 1,230,724,655.36/39,401.04
  6. Step 6: Final answer
    x = 31,235.84

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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.