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Finding the Fourth Proportional to 60,571.22, 90,857.17 and 53,938.46

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Solution

The fourth proportional to 60,571.22, 90,857.17 and 53,938.46 is: 80,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571.22 : 90,857.17 = 53,938.46 : x
  2. Step 2: Convert to fraction form
    60,571.22/90,857.17 = 53,938.46/x
  3. Step 3: Cross multiply
    60,571.22x = 90,857.17 × 53,938.46
  4. Step 4: Simplify right side
    60,571.22x = 4,900,695,105.78
  5. Step 5: Solve for x
    x = 4,900,695,105.78/60,571.22
  6. Step 6: Final answer
    x = 80,907.99

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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.