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Finding the Fourth Proportional to 57,354.47, 86,031.70 and 17,914.96

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Solution

The fourth proportional to 57,354.47, 86,031.70 and 17,914.96 is: 26,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.47 : 86,031.70 = 17,914.96 : x
  2. Step 2: Convert to fraction form
    57,354.47/86,031.70 = 17,914.96/x
  3. Step 3: Cross multiply
    57,354.47x = 86,031.70 × 17,914.96
  4. Step 4: Simplify right side
    57,354.47x = 1,541,254,464.23
  5. Step 5: Solve for x
    x = 1,541,254,464.23/57,354.47
  6. Step 6: Final answer
    x = 26,872.44

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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.