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Finding the Fourth Proportional to 51,321.74, 70,892.00 and 41,287.97

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Solution

The fourth proportional to 51,321.74, 70,892.00 and 41,287.97 is: 57,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321.74 : 70,892.00 = 41,287.97 : x
  2. Step 2: Convert to fraction form
    51,321.74/70,892.00 = 41,287.97/x
  3. Step 3: Cross multiply
    51,321.74x = 70,892.00 × 41,287.97
  4. Step 4: Simplify right side
    51,321.74x = 2,926,986,208.34
  5. Step 5: Solve for x
    x = 2,926,986,208.34/51,321.74
  6. Step 6: Final answer
    x = 57,032.10

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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.