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Finding the Fourth Proportional to 17,073.56, 25,613.70 and 7,212.80

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Solution

The fourth proportional to 17,073.56, 25,613.70 and 7,212.80 is: 10,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.56 : 25,613.70 = 7,212.80 : x
  2. Step 2: Convert to fraction form
    17,073.56/25,613.70 = 7,212.80/x
  3. Step 3: Cross multiply
    17,073.56x = 25,613.70 × 7,212.80
  4. Step 4: Simplify right side
    17,073.56x = 184,746,495.36
  5. Step 5: Solve for x
    x = 184,746,495.36/17,073.56
  6. Step 6: Final answer
    x = 10,820.62

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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.