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Finding the Fourth Proportional to 24,469.71, 36,717.12 and 11,989.50

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Solution

The fourth proportional to 24,469.71, 36,717.12 and 11,989.50 is: 17,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,469.71 : 36,717.12 = 11,989.50 : x
  2. Step 2: Convert to fraction form
    24,469.71/36,717.12 = 11,989.50/x
  3. Step 3: Cross multiply
    24,469.71x = 36,717.12 × 11,989.50
  4. Step 4: Simplify right side
    24,469.71x = 440,219,910.24
  5. Step 5: Solve for x
    x = 440,219,910.24/24,469.71
  6. Step 6: Final answer
    x = 17,990.40

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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.