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Finding the Fourth Proportional to 16,906.11, 25,362.78 and 5,060.80

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Solution

The fourth proportional to 16,906.11, 25,362.78 and 5,060.80 is: 7,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.11 : 25,362.78 = 5,060.80 : x
  2. Step 2: Convert to fraction form
    16,906.11/25,362.78 = 5,060.80/x
  3. Step 3: Cross multiply
    16,906.11x = 25,362.78 × 5,060.80
  4. Step 4: Simplify right side
    16,906.11x = 128,355,957.02
  5. Step 5: Solve for x
    x = 128,355,957.02/16,906.11
  6. Step 6: Final answer
    x = 7,592.28

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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.