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Finding the Fourth Proportional to 67,881.39, 93,672.09 and 41,008.02

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Solution

The fourth proportional to 67,881.39, 93,672.09 and 41,008.02 is: 56,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,881.39 : 93,672.09 = 41,008.02 : x
  2. Step 2: Convert to fraction form
    67,881.39/93,672.09 = 41,008.02/x
  3. Step 3: Cross multiply
    67,881.39x = 93,672.09 × 41,008.02
  4. Step 4: Simplify right side
    67,881.39x = 3,841,306,940.16
  5. Step 5: Solve for x
    x = 3,841,306,940.16/67,881.39
  6. Step 6: Final answer
    x = 56,588.51

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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.