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Finding the Fourth Proportional to 57,986.42, 80,182.31 and 46,028.99

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Solution

The fourth proportional to 57,986.42, 80,182.31 and 46,028.99 is: 63,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.42 : 80,182.31 = 46,028.99 : x
  2. Step 2: Convert to fraction form
    57,986.42/80,182.31 = 46,028.99/x
  3. Step 3: Cross multiply
    57,986.42x = 80,182.31 × 46,028.99
  4. Step 4: Simplify right side
    57,986.42x = 3,690,710,715.48
  5. Step 5: Solve for x
    x = 3,690,710,715.48/57,986.42
  6. Step 6: Final answer
    x = 63,647.85

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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.