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Finding the Fourth Proportional to 39,625.50, 54,685.62 and 22,858.50

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Solution

The fourth proportional to 39,625.50, 54,685.62 and 22,858.50 is: 31,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,625.50 : 54,685.62 = 22,858.50 : x
  2. Step 2: Convert to fraction form
    39,625.50/54,685.62 = 22,858.50/x
  3. Step 3: Cross multiply
    39,625.50x = 54,685.62 × 22,858.50
  4. Step 4: Simplify right side
    39,625.50x = 1,250,031,244.77
  5. Step 5: Solve for x
    x = 1,250,031,244.77/39,625.50
  6. Step 6: Final answer
    x = 31,546.13

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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.