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Finding the Fourth Proportional to 38,571.41, 57,600.79 and 38,153.89

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Solution

The fourth proportional to 38,571.41, 57,600.79 and 38,153.89 is: 56,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.41 : 57,600.79 = 38,153.89 : x
  2. Step 2: Convert to fraction form
    38,571.41/57,600.79 = 38,153.89/x
  3. Step 3: Cross multiply
    38,571.41x = 57,600.79 × 38,153.89
  4. Step 4: Simplify right side
    38,571.41x = 2,197,694,014.80
  5. Step 5: Solve for x
    x = 2,197,694,014.80/38,571.41
  6. Step 6: Final answer
    x = 56,977.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.