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Finding the Fourth Proportional to 17,579.74, 26,364.12 and 9,255.10

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Solution

The fourth proportional to 17,579.74, 26,364.12 and 9,255.10 is: 13,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.74 : 26,364.12 = 9,255.10 : x
  2. Step 2: Convert to fraction form
    17,579.74/26,364.12 = 9,255.10/x
  3. Step 3: Cross multiply
    17,579.74x = 26,364.12 × 9,255.10
  4. Step 4: Simplify right side
    17,579.74x = 244,002,567.01
  5. Step 5: Solve for x
    x = 244,002,567.01/17,579.74
  6. Step 6: Final answer
    x = 13,879.76

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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.