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Finding the Fourth Proportional to 17,966.70, 26,953.34 and 7,431.03

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Solution

The fourth proportional to 17,966.70, 26,953.34 and 7,431.03 is: 11,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.70 : 26,953.34 = 7,431.03 : x
  2. Step 2: Convert to fraction form
    17,966.70/26,953.34 = 7,431.03/x
  3. Step 3: Cross multiply
    17,966.70x = 26,953.34 × 7,431.03
  4. Step 4: Simplify right side
    17,966.70x = 200,291,040.99
  5. Step 5: Solve for x
    x = 200,291,040.99/17,966.70
  6. Step 6: Final answer
    x = 11,147.90

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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.