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Finding the Fourth Proportional to 56,452.62, 84,687.18 and 17,012.79

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Solution

The fourth proportional to 56,452.62, 84,687.18 and 17,012.79 is: 25,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.62 : 84,687.18 = 17,012.79 : x
  2. Step 2: Convert to fraction form
    56,452.62/84,687.18 = 17,012.79/x
  3. Step 3: Cross multiply
    56,452.62x = 84,687.18 × 17,012.79
  4. Step 4: Simplify right side
    56,452.62x = 1,440,765,209.03
  5. Step 5: Solve for x
    x = 1,440,765,209.03/56,452.62
  6. Step 6: Final answer
    x = 25,521.67

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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.