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Finding the Fourth Proportional to 17,108.81, 25,671.41 and 8,338.94

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Solution

The fourth proportional to 17,108.81, 25,671.41 and 8,338.94 is: 12,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.81 : 25,671.41 = 8,338.94 : x
  2. Step 2: Convert to fraction form
    17,108.81/25,671.41 = 8,338.94/x
  3. Step 3: Cross multiply
    17,108.81x = 25,671.41 × 8,338.94
  4. Step 4: Simplify right side
    17,108.81x = 214,072,347.71
  5. Step 5: Solve for x
    x = 214,072,347.71/17,108.81
  6. Step 6: Final answer
    x = 12,512.40

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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.