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Finding the Fourth Proportional to 17,149.66, 25,724.48 and 11,263.72

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Solution

The fourth proportional to 17,149.66, 25,724.48 and 11,263.72 is: 16,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.66 : 25,724.48 = 11,263.72 : x
  2. Step 2: Convert to fraction form
    17,149.66/25,724.48 = 11,263.72/x
  3. Step 3: Cross multiply
    17,149.66x = 25,724.48 × 11,263.72
  4. Step 4: Simplify right side
    17,149.66x = 289,753,339.87
  5. Step 5: Solve for x
    x = 289,753,339.87/17,149.66
  6. Step 6: Final answer
    x = 16,895.57

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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.