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Finding the Fourth Proportional to 17,117.15, 25,671.83 and 7,750.98

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Solution

The fourth proportional to 17,117.15, 25,671.83 and 7,750.98 is: 11,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.15 : 25,671.83 = 7,750.98 : x
  2. Step 2: Convert to fraction form
    17,117.15/25,671.83 = 7,750.98/x
  3. Step 3: Cross multiply
    17,117.15x = 25,671.83 × 7,750.98
  4. Step 4: Simplify right side
    17,117.15x = 198,981,802.14
  5. Step 5: Solve for x
    x = 198,981,802.14/17,117.15
  6. Step 6: Final answer
    x = 11,624.71

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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.