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Finding the Fourth Proportional to 16,796.76, 25,187.84 and 9,783.78

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Solution

The fourth proportional to 16,796.76, 25,187.84 and 9,783.78 is: 14,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,796.76 : 25,187.84 = 9,783.78 : x
  2. Step 2: Convert to fraction form
    16,796.76/25,187.84 = 9,783.78/x
  3. Step 3: Cross multiply
    16,796.76x = 25,187.84 × 9,783.78
  4. Step 4: Simplify right side
    16,796.76x = 246,432,285.24
  5. Step 5: Solve for x
    x = 246,432,285.24/16,796.76
  6. Step 6: Final answer
    x = 14,671.42

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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.