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Finding the Fourth Proportional to 39,992, 55,188.96 and 23,226.08

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Solution

The fourth proportional to 39,992, 55,188.96 and 23,226.08 is: 32,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992 : 55,188.96 = 23,226.08 : x
  2. Step 2: Convert to fraction form
    39,992/55,188.96 = 23,226.08/x
  3. Step 3: Cross multiply
    39,992x = 55,188.96 × 23,226.08
  4. Step 4: Simplify right side
    39,992x = 1,281,823,200.08
  5. Step 5: Solve for x
    x = 1,281,823,200.08/39,992
  6. Step 6: Final answer
    x = 32,051.99

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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.