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Finding the Fourth Proportional to 17,809.21, 26,713.50 and 5,329.27

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Solution

The fourth proportional to 17,809.21, 26,713.50 and 5,329.27 is: 7,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.21 : 26,713.50 = 5,329.27 : x
  2. Step 2: Convert to fraction form
    17,809.21/26,713.50 = 5,329.27/x
  3. Step 3: Cross multiply
    17,809.21x = 26,713.50 × 5,329.27
  4. Step 4: Simplify right side
    17,809.21x = 142,363,454.15
  5. Step 5: Solve for x
    x = 142,363,454.15/17,809.21
  6. Step 6: Final answer
    x = 7,993.81

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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.