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Finding the Fourth Proportional to 23,997, 36,005.92 and 12,890.76

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Solution

The fourth proportional to 23,997, 36,005.92 and 12,890.76 is: 19,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,997 : 36,005.92 = 12,890.76 : x
  2. Step 2: Convert to fraction form
    23,997/36,005.92 = 12,890.76/x
  3. Step 3: Cross multiply
    23,997x = 36,005.92 × 12,890.76
  4. Step 4: Simplify right side
    23,997x = 464,143,673.30
  5. Step 5: Solve for x
    x = 464,143,673.30/23,997
  6. Step 6: Final answer
    x = 19,341.74

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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.