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Finding the Fourth Proportional to 18,165.97, 25,076.01 and 16,274.35

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Solution

The fourth proportional to 18,165.97, 25,076.01 and 16,274.35 is: 22,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.97 : 25,076.01 = 16,274.35 : x
  2. Step 2: Convert to fraction form
    18,165.97/25,076.01 = 16,274.35/x
  3. Step 3: Cross multiply
    18,165.97x = 25,076.01 × 16,274.35
  4. Step 4: Simplify right side
    18,165.97x = 408,095,763.34
  5. Step 5: Solve for x
    x = 408,095,763.34/18,165.97
  6. Step 6: Final answer
    x = 22,464.85

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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.