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Finding the Fourth Proportional to 17,297.21, 25,947.74 and 7,437.48

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Solution

The fourth proportional to 17,297.21, 25,947.74 and 7,437.48 is: 11,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.21 : 25,947.74 = 7,437.48 : x
  2. Step 2: Convert to fraction form
    17,297.21/25,947.74 = 7,437.48/x
  3. Step 3: Cross multiply
    17,297.21x = 25,947.74 × 7,437.48
  4. Step 4: Simplify right side
    17,297.21x = 192,985,797.30
  5. Step 5: Solve for x
    x = 192,985,797.30/17,297.21
  6. Step 6: Final answer
    x = 11,157.05

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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.