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Finding the Fourth Proportional to 29,951.60, 41,309.88 and 19,343.84

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Solution

The fourth proportional to 29,951.60, 41,309.88 and 19,343.84 is: 26,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,951.60 : 41,309.88 = 19,343.84 : x
  2. Step 2: Convert to fraction form
    29,951.60/41,309.88 = 19,343.84/x
  3. Step 3: Cross multiply
    29,951.60x = 41,309.88 × 19,343.84
  4. Step 4: Simplify right side
    29,951.60x = 799,091,709.14
  5. Step 5: Solve for x
    x = 799,091,709.14/29,951.60
  6. Step 6: Final answer
    x = 26,679.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.