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Finding the Fourth Proportional to 62,773.49, 94,166.43 and 20,636.48

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Solution

The fourth proportional to 62,773.49, 94,166.43 and 20,636.48 is: 30,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,773.49 : 94,166.43 = 20,636.48 : x
  2. Step 2: Convert to fraction form
    62,773.49/94,166.43 = 20,636.48/x
  3. Step 3: Cross multiply
    62,773.49x = 94,166.43 × 20,636.48
  4. Step 4: Simplify right side
    62,773.49x = 1,943,263,178.53
  5. Step 5: Solve for x
    x = 1,943,263,178.53/62,773.49
  6. Step 6: Final answer
    x = 30,956.75

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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.