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Finding the Fourth Proportional to 62,751.42, 94,120.29 and 18,378.57

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Solution

The fourth proportional to 62,751.42, 94,120.29 and 18,378.57 is: 27,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.42 : 94,120.29 = 18,378.57 : x
  2. Step 2: Convert to fraction form
    62,751.42/94,120.29 = 18,378.57/x
  3. Step 3: Cross multiply
    62,751.42x = 94,120.29 × 18,378.57
  4. Step 4: Simplify right side
    62,751.42x = 1,729,795,913.53
  5. Step 5: Solve for x
    x = 1,729,795,913.53/62,751.42
  6. Step 6: Final answer
    x = 27,565.84

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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.