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Finding the Fourth Proportional to 60,072.20, 82,868.20 and 37,407.56

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Solution

The fourth proportional to 60,072.20, 82,868.20 and 37,407.56 is: 51,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,072.20 : 82,868.20 = 37,407.56 : x
  2. Step 2: Convert to fraction form
    60,072.20/82,868.20 = 37,407.56/x
  3. Step 3: Cross multiply
    60,072.20x = 82,868.20 × 37,407.56
  4. Step 4: Simplify right side
    60,072.20x = 3,099,897,163.59
  5. Step 5: Solve for x
    x = 3,099,897,163.59/60,072.20
  6. Step 6: Final answer
    x = 51,602.86

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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.