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Finding the Fourth Proportional to 23,080.01, 31,850.43 and 12,469.64

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Solution

The fourth proportional to 23,080.01, 31,850.43 and 12,469.64 is: 17,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.01 : 31,850.43 = 12,469.64 : x
  2. Step 2: Convert to fraction form
    23,080.01/31,850.43 = 12,469.64/x
  3. Step 3: Cross multiply
    23,080.01x = 31,850.43 × 12,469.64
  4. Step 4: Simplify right side
    23,080.01x = 397,163,395.95
  5. Step 5: Solve for x
    x = 397,163,395.95/23,080.01
  6. Step 6: Final answer
    x = 17,208.11

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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.