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Finding the Fourth Proportional to 17,581.70, 26,372.48 and 7,193.45

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Solution

The fourth proportional to 17,581.70, 26,372.48 and 7,193.45 is: 10,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581.70 : 26,372.48 = 7,193.45 : x
  2. Step 2: Convert to fraction form
    17,581.70/26,372.48 = 7,193.45/x
  3. Step 3: Cross multiply
    17,581.70x = 26,372.48 × 7,193.45
  4. Step 4: Simplify right side
    17,581.70x = 189,709,146.22
  5. Step 5: Solve for x
    x = 189,709,146.22/17,581.70
  6. Step 6: Final answer
    x = 10,790.15

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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.