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Finding the Fourth Proportional to 56,474.64, 84,719.31 and 17,035.74

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Solution

The fourth proportional to 56,474.64, 84,719.31 and 17,035.74 is: 25,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,474.64 : 84,719.31 = 17,035.74 : x
  2. Step 2: Convert to fraction form
    56,474.64/84,719.31 = 17,035.74/x
  3. Step 3: Cross multiply
    56,474.64x = 84,719.31 × 17,035.74
  4. Step 4: Simplify right side
    56,474.64x = 1,443,256,138.14
  5. Step 5: Solve for x
    x = 1,443,256,138.14/56,474.64
  6. Step 6: Final answer
    x = 25,555.83

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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.