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Finding the Fourth Proportional to 17,571.60, 26,328.60 and 14,979.60

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Solution

The fourth proportional to 17,571.60, 26,328.60 and 14,979.60 is: 22,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,571.60 : 26,328.60 = 14,979.60 : x
  2. Step 2: Convert to fraction form
    17,571.60/26,328.60 = 14,979.60/x
  3. Step 3: Cross multiply
    17,571.60x = 26,328.60 × 14,979.60
  4. Step 4: Simplify right side
    17,571.60x = 394,391,896.56
  5. Step 5: Solve for x
    x = 394,391,896.56/17,571.60
  6. Step 6: Final answer
    x = 22,444.85

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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.