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Finding the Fourth Proportional to 57,352.75, 86,029.14 and 17,913.25

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Solution

The fourth proportional to 57,352.75, 86,029.14 and 17,913.25 is: 26,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.75 : 86,029.14 = 17,913.25 : x
  2. Step 2: Convert to fraction form
    57,352.75/86,029.14 = 17,913.25/x
  3. Step 3: Cross multiply
    57,352.75x = 86,029.14 × 17,913.25
  4. Step 4: Simplify right side
    57,352.75x = 1,541,061,492.11
  5. Step 5: Solve for x
    x = 1,541,061,492.11/57,352.75
  6. Step 6: Final answer
    x = 26,869.88

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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.