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Finding the Fourth Proportional to 33,092.64, 49,607.64 and 12,311.28

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Solution

The fourth proportional to 33,092.64, 49,607.64 and 12,311.28 is: 18,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,092.64 : 49,607.64 = 12,311.28 : x
  2. Step 2: Convert to fraction form
    33,092.64/49,607.64 = 12,311.28/x
  3. Step 3: Cross multiply
    33,092.64x = 49,607.64 × 12,311.28
  4. Step 4: Simplify right side
    33,092.64x = 610,733,546.18
  5. Step 5: Solve for x
    x = 610,733,546.18/33,092.64
  6. Step 6: Final answer
    x = 18,455.27

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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.