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Finding the Fourth Proportional to 62,958.40, 94,428.79 and 25,518.44

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Solution

The fourth proportional to 62,958.40, 94,428.79 and 25,518.44 is: 38,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,958.40 : 94,428.79 = 25,518.44 : x
  2. Step 2: Convert to fraction form
    62,958.40/94,428.79 = 25,518.44/x
  3. Step 3: Cross multiply
    62,958.40x = 94,428.79 × 25,518.44
  4. Step 4: Simplify right side
    62,958.40x = 2,409,675,584.16
  5. Step 5: Solve for x
    x = 2,409,675,584.16/62,958.40
  6. Step 6: Final answer
    x = 38,274.09

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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.