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Finding the Fourth Proportional to 57,718, 86,326.84 and 33,968.94

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Solution

The fourth proportional to 57,718, 86,326.84 and 33,968.94 is: 50,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718 : 86,326.84 = 33,968.94 : x
  2. Step 2: Convert to fraction form
    57,718/86,326.84 = 33,968.94/x
  3. Step 3: Cross multiply
    57,718x = 86,326.84 × 33,968.94
  4. Step 4: Simplify right side
    57,718x = 2,932,431,248.35
  5. Step 5: Solve for x
    x = 2,932,431,248.35/57,718
  6. Step 6: Final answer
    x = 50,806.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.