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Finding the Fourth Proportional to 57,525, 79,391.79 and 32,379.36

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Solution

The fourth proportional to 57,525, 79,391.79 and 32,379.36 is: 44,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,525 : 79,391.79 = 32,379.36 : x
  2. Step 2: Convert to fraction form
    57,525/79,391.79 = 32,379.36/x
  3. Step 3: Cross multiply
    57,525x = 79,391.79 × 32,379.36
  4. Step 4: Simplify right side
    57,525x = 2,570,655,349.45
  5. Step 5: Solve for x
    x = 2,570,655,349.45/57,525
  6. Step 6: Final answer
    x = 44,687.62

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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.