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Finding the Fourth Proportional to 57,666, 79,537.80 and 37,485.24

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Solution

The fourth proportional to 57,666, 79,537.80 and 37,485.24 is: 51,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666 : 79,537.80 = 37,485.24 : x
  2. Step 2: Convert to fraction form
    57,666/79,537.80 = 37,485.24/x
  3. Step 3: Cross multiply
    57,666x = 79,537.80 × 37,485.24
  4. Step 4: Simplify right side
    57,666x = 2,981,493,522.07
  5. Step 5: Solve for x
    x = 2,981,493,522.07/57,666
  6. Step 6: Final answer
    x = 51,702.80

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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.