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Finding the Fourth Proportional to 16,694.70, 25,005.60 and 10,109.40

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Solution

The fourth proportional to 16,694.70, 25,005.60 and 10,109.40 is: 15,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.70 : 25,005.60 = 10,109.40 : x
  2. Step 2: Convert to fraction form
    16,694.70/25,005.60 = 10,109.40/x
  3. Step 3: Cross multiply
    16,694.70x = 25,005.60 × 10,109.40
  4. Step 4: Simplify right side
    16,694.70x = 252,791,612.64
  5. Step 5: Solve for x
    x = 252,791,612.64/16,694.70
  6. Step 6: Final answer
    x = 15,142.03

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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.