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Finding the Fourth Proportional to 55,668.86, 83,495.17 and 18,230.41

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Solution

The fourth proportional to 55,668.86, 83,495.17 and 18,230.41 is: 27,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.86 : 83,495.17 = 18,230.41 : x
  2. Step 2: Convert to fraction form
    55,668.86/83,495.17 = 18,230.41/x
  3. Step 3: Cross multiply
    55,668.86x = 83,495.17 × 18,230.41
  4. Step 4: Simplify right side
    55,668.86x = 1,522,150,927.81
  5. Step 5: Solve for x
    x = 1,522,150,927.81/55,668.86
  6. Step 6: Final answer
    x = 27,342.95

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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.