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Finding the Fourth Proportional to 52,938.44, 79,368.78 and 25,255.88

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Solution

The fourth proportional to 52,938.44, 79,368.78 and 25,255.88 is: 37,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,938.44 : 79,368.78 = 25,255.88 : x
  2. Step 2: Convert to fraction form
    52,938.44/79,368.78 = 25,255.88/x
  3. Step 3: Cross multiply
    52,938.44x = 79,368.78 × 25,255.88
  4. Step 4: Simplify right side
    52,938.44x = 2,004,528,383.43
  5. Step 5: Solve for x
    x = 2,004,528,383.43/52,938.44
  6. Step 6: Final answer
    x = 37,865.27

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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.