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Finding the Fourth Proportional to 16,946.52, 25,410.78 and 9,940.20

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Solution

The fourth proportional to 16,946.52, 25,410.78 and 9,940.20 is: 14,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946.52 : 25,410.78 = 9,940.20 : x
  2. Step 2: Convert to fraction form
    16,946.52/25,410.78 = 9,940.20/x
  3. Step 3: Cross multiply
    16,946.52x = 25,410.78 × 9,940.20
  4. Step 4: Simplify right side
    16,946.52x = 252,588,235.36
  5. Step 5: Solve for x
    x = 252,588,235.36/16,946.52
  6. Step 6: Final answer
    x = 14,905.02

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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.