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Finding the Fourth Proportional to 57,409.74, 86,082.21 and 17,956.26

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Solution

The fourth proportional to 57,409.74, 86,082.21 and 17,956.26 is: 26,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409.74 : 86,082.21 = 17,956.26 : x
  2. Step 2: Convert to fraction form
    57,409.74/86,082.21 = 17,956.26/x
  3. Step 3: Cross multiply
    57,409.74x = 86,082.21 × 17,956.26
  4. Step 4: Simplify right side
    57,409.74x = 1,545,714,544.13
  5. Step 5: Solve for x
    x = 1,545,714,544.13/57,409.74
  6. Step 6: Final answer
    x = 26,924.26

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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.