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Finding the Fourth Proportional to 16,783.38, 25,164 and 9,388.62

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Solution

The fourth proportional to 16,783.38, 25,164 and 9,388.62 is: 14,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.38 : 25,164 = 9,388.62 : x
  2. Step 2: Convert to fraction form
    16,783.38/25,164 = 9,388.62/x
  3. Step 3: Cross multiply
    16,783.38x = 25,164 × 9,388.62
  4. Step 4: Simplify right side
    16,783.38x = 236,255,233.68
  5. Step 5: Solve for x
    x = 236,255,233.68/16,783.38
  6. Step 6: Final answer
    x = 14,076.74

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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.