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Finding the Fourth Proportional to 57,571.16, 79,399.64 and 37,412.48

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Solution

The fourth proportional to 57,571.16, 79,399.64 and 37,412.48 is: 51,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,571.16 : 79,399.64 = 37,412.48 : x
  2. Step 2: Convert to fraction form
    57,571.16/79,399.64 = 37,412.48/x
  3. Step 3: Cross multiply
    57,571.16x = 79,399.64 × 37,412.48
  4. Step 4: Simplify right side
    57,571.16x = 2,970,537,735.54
  5. Step 5: Solve for x
    x = 2,970,537,735.54/57,571.16
  6. Step 6: Final answer
    x = 51,597.67

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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.