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Finding the Fourth Proportional to 38,893.60, 58,347.92 and 26,936.24

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Solution

The fourth proportional to 38,893.60, 58,347.92 and 26,936.24 is: 40,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.60 : 58,347.92 = 26,936.24 : x
  2. Step 2: Convert to fraction form
    38,893.60/58,347.92 = 26,936.24/x
  3. Step 3: Cross multiply
    38,893.60x = 58,347.92 × 26,936.24
  4. Step 4: Simplify right side
    38,893.60x = 1,571,673,576.62
  5. Step 5: Solve for x
    x = 1,571,673,576.62/38,893.60
  6. Step 6: Final answer
    x = 40,409.57

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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.