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Finding the Fourth Proportional to 66,592, 91,858.04 and 41,449.60

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Solution

The fourth proportional to 66,592, 91,858.04 and 41,449.60 is: 57,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,592 : 91,858.04 = 41,449.60 : x
  2. Step 2: Convert to fraction form
    66,592/91,858.04 = 41,449.60/x
  3. Step 3: Cross multiply
    66,592x = 91,858.04 × 41,449.60
  4. Step 4: Simplify right side
    66,592x = 3,807,479,014.78
  5. Step 5: Solve for x
    x = 3,807,479,014.78/66,592
  6. Step 6: Final answer
    x = 57,176.22

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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.