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Finding the Fourth Proportional to 59,890.42, 89,687.97 and 37,648.63

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Solution

The fourth proportional to 59,890.42, 89,687.97 and 37,648.63 is: 56,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,890.42 : 89,687.97 = 37,648.63 : x
  2. Step 2: Convert to fraction form
    59,890.42/89,687.97 = 37,648.63/x
  3. Step 3: Cross multiply
    59,890.42x = 89,687.97 × 37,648.63
  4. Step 4: Simplify right side
    59,890.42x = 3,376,629,197.98
  5. Step 5: Solve for x
    x = 3,376,629,197.98/59,890.42
  6. Step 6: Final answer
    x = 56,380.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.