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Finding the Fourth Proportional to 39,612.50, 54,665.25 and 22,845.50

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Solution

The fourth proportional to 39,612.50, 54,665.25 and 22,845.50 is: 31,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.50 : 54,665.25 = 22,845.50 : x
  2. Step 2: Convert to fraction form
    39,612.50/54,665.25 = 22,845.50/x
  3. Step 3: Cross multiply
    39,612.50x = 54,665.25 × 22,845.50
  4. Step 4: Simplify right side
    39,612.50x = 1,248,854,968.88
  5. Step 5: Solve for x
    x = 1,248,854,968.88/39,612.50
  6. Step 6: Final answer
    x = 31,526.79

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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.