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Finding the Fourth Proportional to 17,165.80, 25,759.53 and 7,305.06

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Solution

The fourth proportional to 17,165.80, 25,759.53 and 7,305.06 is: 10,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.80 : 25,759.53 = 7,305.06 : x
  2. Step 2: Convert to fraction form
    17,165.80/25,759.53 = 7,305.06/x
  3. Step 3: Cross multiply
    17,165.80x = 25,759.53 × 7,305.06
  4. Step 4: Simplify right side
    17,165.80x = 188,174,912.22
  5. Step 5: Solve for x
    x = 188,174,912.22/17,165.80
  6. Step 6: Final answer
    x = 10,962.20

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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.