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Finding the Fourth Proportional to 55,491.67, 83,212.80 and 16,039.41

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Solution

The fourth proportional to 55,491.67, 83,212.80 and 16,039.41 is: 24,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.67 : 83,212.80 = 16,039.41 : x
  2. Step 2: Convert to fraction form
    55,491.67/83,212.80 = 16,039.41/x
  3. Step 3: Cross multiply
    55,491.67x = 83,212.80 × 16,039.41
  4. Step 4: Simplify right side
    55,491.67x = 1,334,684,216.45
  5. Step 5: Solve for x
    x = 1,334,684,216.45/55,491.67
  6. Step 6: Final answer
    x = 24,051.97

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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.