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Finding the Fourth Proportional to 62,914.70, 94,415.73 and 40,672.90

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Solution

The fourth proportional to 62,914.70, 94,415.73 and 40,672.90 is: 61,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,914.70 : 94,415.73 = 40,672.90 : x
  2. Step 2: Convert to fraction form
    62,914.70/94,415.73 = 40,672.90/x
  3. Step 3: Cross multiply
    62,914.70x = 94,415.73 × 40,672.90
  4. Step 4: Simplify right side
    62,914.70x = 3,840,161,544.72
  5. Step 5: Solve for x
    x = 3,840,161,544.72/62,914.70
  6. Step 6: Final answer
    x = 61,037.59

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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.