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Finding the Fourth Proportional to 24,638.79, 36,964.00 and 7,997.54

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Solution

The fourth proportional to 24,638.79, 36,964.00 and 7,997.54 is: 11,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,638.79 : 36,964.00 = 7,997.54 : x
  2. Step 2: Convert to fraction form
    24,638.79/36,964.00 = 7,997.54/x
  3. Step 3: Cross multiply
    24,638.79x = 36,964.00 × 7,997.54
  4. Step 4: Simplify right side
    24,638.79x = 295,621,160.63
  5. Step 5: Solve for x
    x = 295,621,160.63/24,638.79
  6. Step 6: Final answer
    x = 11,998.20

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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.