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Finding the Fourth Proportional to 57,446.92, 86,185.56 and 26,274.88

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Solution

The fourth proportional to 57,446.92, 86,185.56 and 26,274.88 is: 39,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,446.92 : 86,185.56 = 26,274.88 : x
  2. Step 2: Convert to fraction form
    57,446.92/86,185.56 = 26,274.88/x
  3. Step 3: Cross multiply
    57,446.92x = 86,185.56 × 26,274.88
  4. Step 4: Simplify right side
    57,446.92x = 2,264,514,815.81
  5. Step 5: Solve for x
    x = 2,264,514,815.81/57,446.92
  6. Step 6: Final answer
    x = 39,419.26

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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.