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Finding the Fourth Proportional to 16,783.44, 25,178.16 and 6,917.34

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Solution

The fourth proportional to 16,783.44, 25,178.16 and 6,917.34 is: 10,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.44 : 25,178.16 = 6,917.34 : x
  2. Step 2: Convert to fraction form
    16,783.44/25,178.16 = 6,917.34/x
  3. Step 3: Cross multiply
    16,783.44x = 25,178.16 × 6,917.34
  4. Step 4: Simplify right side
    16,783.44x = 174,165,893.29
  5. Step 5: Solve for x
    x = 174,165,893.29/16,783.44
  6. Step 6: Final answer
    x = 10,377.25

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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.