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Finding the Fourth Proportional to 55,602.44, 76,736.87 and 31,732.70

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Solution

The fourth proportional to 55,602.44, 76,736.87 and 31,732.70 is: 43,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.44 : 76,736.87 = 31,732.70 : x
  2. Step 2: Convert to fraction form
    55,602.44/76,736.87 = 31,732.70/x
  3. Step 3: Cross multiply
    55,602.44x = 76,736.87 × 31,732.70
  4. Step 4: Simplify right side
    55,602.44x = 2,435,068,082.94
  5. Step 5: Solve for x
    x = 2,435,068,082.94/55,602.44
  6. Step 6: Final answer
    x = 43,794.27

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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.