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Finding the Fourth Proportional to 17,143.89, 25,716.39 and 5,899.11

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Solution

The fourth proportional to 17,143.89, 25,716.39 and 5,899.11 is: 8,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.89 : 25,716.39 = 5,899.11 : x
  2. Step 2: Convert to fraction form
    17,143.89/25,716.39 = 5,899.11/x
  3. Step 3: Cross multiply
    17,143.89x = 25,716.39 × 5,899.11
  4. Step 4: Simplify right side
    17,143.89x = 151,703,813.41
  5. Step 5: Solve for x
    x = 151,703,813.41/17,143.89
  6. Step 6: Final answer
    x = 8,848.86

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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.