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Finding the Fourth Proportional to 17,850.64, 26,754.72 and 13,453.60

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Solution

The fourth proportional to 17,850.64, 26,754.72 and 13,453.60 is: 20,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,850.64 : 26,754.72 = 13,453.60 : x
  2. Step 2: Convert to fraction form
    17,850.64/26,754.72 = 13,453.60/x
  3. Step 3: Cross multiply
    17,850.64x = 26,754.72 × 13,453.60
  4. Step 4: Simplify right side
    17,850.64x = 359,947,300.99
  5. Step 5: Solve for x
    x = 359,947,300.99/17,850.64
  6. Step 6: Final answer
    x = 20,164.39

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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.