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Finding the Fourth Proportional to 66,558.74, 91,847.43 and 37,877.54

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Solution

The fourth proportional to 66,558.74, 91,847.43 and 37,877.54 is: 52,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,558.74 : 91,847.43 = 37,877.54 : x
  2. Step 2: Convert to fraction form
    66,558.74/91,847.43 = 37,877.54/x
  3. Step 3: Cross multiply
    66,558.74x = 91,847.43 × 37,877.54
  4. Step 4: Simplify right side
    66,558.74x = 3,478,954,244.49
  5. Step 5: Solve for x
    x = 3,478,954,244.49/66,558.74
  6. Step 6: Final answer
    x = 52,268.94

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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.