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Finding the Fourth Proportional to 67,073.29, 100,609.57 and 17,153.31

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Solution

The fourth proportional to 67,073.29, 100,609.57 and 17,153.31 is: 25,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.29 : 100,609.57 = 17,153.31 : x
  2. Step 2: Convert to fraction form
    67,073.29/100,609.57 = 17,153.31/x
  3. Step 3: Cross multiply
    67,073.29x = 100,609.57 × 17,153.31
  4. Step 4: Simplify right side
    67,073.29x = 1,725,787,143.18
  5. Step 5: Solve for x
    x = 1,725,787,143.18/67,073.29
  6. Step 6: Final answer
    x = 25,729.87

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1.5x scale

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.