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Finding the Fourth Proportional to 57,499.91, 79,361.67 and 33,632.45

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Solution

The fourth proportional to 57,499.91, 79,361.67 and 33,632.45 is: 46,419.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.91 : 79,361.67 = 33,632.45 : x
  2. Step 2: Convert to fraction form
    57,499.91/79,361.67 = 33,632.45/x
  3. Step 3: Cross multiply
    57,499.91x = 79,361.67 × 33,632.45
  4. Step 4: Simplify right side
    57,499.91x = 2,669,127,398.19
  5. Step 5: Solve for x
    x = 2,669,127,398.19/57,499.91
  6. Step 6: Final answer
    x = 46,419.68

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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.