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Finding the Fourth Proportional to 61,380.44, 84,674.99 and 37,465.60

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Solution

The fourth proportional to 61,380.44, 84,674.99 and 37,465.60 is: 51,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,380.44 : 84,674.99 = 37,465.60 : x
  2. Step 2: Convert to fraction form
    61,380.44/84,674.99 = 37,465.60/x
  3. Step 3: Cross multiply
    61,380.44x = 84,674.99 × 37,465.60
  4. Step 4: Simplify right side
    61,380.44x = 3,172,399,305.34
  5. Step 5: Solve for x
    x = 3,172,399,305.34/61,380.44
  6. Step 6: Final answer
    x = 51,684.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.