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Finding the Fourth Proportional to 17,173.16, 25,761.18 and 5,486.12

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Solution

The fourth proportional to 17,173.16, 25,761.18 and 5,486.12 is: 8,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.16 : 25,761.18 = 5,486.12 : x
  2. Step 2: Convert to fraction form
    17,173.16/25,761.18 = 5,486.12/x
  3. Step 3: Cross multiply
    17,173.16x = 25,761.18 × 5,486.12
  4. Step 4: Simplify right side
    17,173.16x = 141,328,924.82
  5. Step 5: Solve for x
    x = 141,328,924.82/17,173.16
  6. Step 6: Final answer
    x = 8,229.64

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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.