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Finding the Fourth Proportional to 17,403.21, 26,107.70 and 5,713.70

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Solution

The fourth proportional to 17,403.21, 26,107.70 and 5,713.70 is: 8,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,403.21 : 26,107.70 = 5,713.70 : x
  2. Step 2: Convert to fraction form
    17,403.21/26,107.70 = 5,713.70/x
  3. Step 3: Cross multiply
    17,403.21x = 26,107.70 × 5,713.70
  4. Step 4: Simplify right side
    17,403.21x = 149,171,406.38
  5. Step 5: Solve for x
    x = 149,171,406.38/17,403.21
  6. Step 6: Final answer
    x = 8,571.49

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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.