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Finding the Fourth Proportional to 39,996.75, 60,004.85 and 12,294.75

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Solution

The fourth proportional to 39,996.75, 60,004.85 and 12,294.75 is: 18,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.75 : 60,004.85 = 12,294.75 : x
  2. Step 2: Convert to fraction form
    39,996.75/60,004.85 = 12,294.75/x
  3. Step 3: Cross multiply
    39,996.75x = 60,004.85 × 12,294.75
  4. Step 4: Simplify right side
    39,996.75x = 737,744,568.06
  5. Step 5: Solve for x
    x = 737,744,568.06/39,996.75
  6. Step 6: Final answer
    x = 18,445.11

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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.