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Finding the Fourth Proportional to 17,400.16, 26,103.78 and 7,404.88

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Solution

The fourth proportional to 17,400.16, 26,103.78 and 7,404.88 is: 11,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.16 : 26,103.78 = 7,404.88 : x
  2. Step 2: Convert to fraction form
    17,400.16/26,103.78 = 7,404.88/x
  3. Step 3: Cross multiply
    17,400.16x = 26,103.78 × 7,404.88
  4. Step 4: Simplify right side
    17,400.16x = 193,295,358.45
  5. Step 5: Solve for x
    x = 193,295,358.45/17,400.16
  6. Step 6: Final answer
    x = 11,108.83

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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.