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Finding the Fourth Proportional to 62,770.93, 94,146.00 and 20,651.53

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Solution

The fourth proportional to 62,770.93, 94,146.00 and 20,651.53 is: 30,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,770.93 : 94,146.00 = 20,651.53 : x
  2. Step 2: Convert to fraction form
    62,770.93/94,146.00 = 20,651.53/x
  3. Step 3: Cross multiply
    62,770.93x = 94,146.00 × 20,651.53
  4. Step 4: Simplify right side
    62,770.93x = 1,944,259,202.57
  5. Step 5: Solve for x
    x = 1,944,259,202.57/62,770.93
  6. Step 6: Final answer
    x = 30,973.88

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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.