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Finding the Fourth Proportional to 18,174.99, 25,080.84 and 10,108.60

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Solution

The fourth proportional to 18,174.99, 25,080.84 and 10,108.60 is: 13,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.99 : 25,080.84 = 10,108.60 : x
  2. Step 2: Convert to fraction form
    18,174.99/25,080.84 = 10,108.60/x
  3. Step 3: Cross multiply
    18,174.99x = 25,080.84 × 10,108.60
  4. Step 4: Simplify right side
    18,174.99x = 253,532,179.22
  5. Step 5: Solve for x
    x = 253,532,179.22/18,174.99
  6. Step 6: Final answer
    x = 13,949.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.