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Finding the Fourth Proportional to 56,491.87, 84,650.27 and 35,671.63

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Solution

The fourth proportional to 56,491.87, 84,650.27 and 35,671.63 is: 53,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.87 : 84,650.27 = 35,671.63 : x
  2. Step 2: Convert to fraction form
    56,491.87/84,650.27 = 35,671.63/x
  3. Step 3: Cross multiply
    56,491.87x = 84,650.27 × 35,671.63
  4. Step 4: Simplify right side
    56,491.87x = 3,019,612,687.59
  5. Step 5: Solve for x
    x = 3,019,612,687.59/56,491.87
  6. Step 6: Final answer
    x = 53,452.17

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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.