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Finding the Fourth Proportional to 57,496.28, 86,244.42 and 26,238.68

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Solution

The fourth proportional to 57,496.28, 86,244.42 and 26,238.68 is: 39,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496.28 : 86,244.42 = 26,238.68 : x
  2. Step 2: Convert to fraction form
    57,496.28/86,244.42 = 26,238.68/x
  3. Step 3: Cross multiply
    57,496.28x = 86,244.42 × 26,238.68
  4. Step 4: Simplify right side
    57,496.28x = 2,262,939,738.17
  5. Step 5: Solve for x
    x = 2,262,939,738.17/57,496.28
  6. Step 6: Final answer
    x = 39,358.02

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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.