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Finding the Fourth Proportional to 58,846.32, 81,241.44 and 38,761.56

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Solution

The fourth proportional to 58,846.32, 81,241.44 and 38,761.56 is: 53,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.32 : 81,241.44 = 38,761.56 : x
  2. Step 2: Convert to fraction form
    58,846.32/81,241.44 = 38,761.56/x
  3. Step 3: Cross multiply
    58,846.32x = 81,241.44 × 38,761.56
  4. Step 4: Simplify right side
    58,846.32x = 3,149,044,951.05
  5. Step 5: Solve for x
    x = 3,149,044,951.05/58,846.32
  6. Step 6: Final answer
    x = 53,513.03

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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.