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Finding the Fourth Proportional to 66,940.68, 100,383.48 and 24,823.08

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Solution

The fourth proportional to 66,940.68, 100,383.48 and 24,823.08 is: 37,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,940.68 : 100,383.48 = 24,823.08 : x
  2. Step 2: Convert to fraction form
    66,940.68/100,383.48 = 24,823.08/x
  3. Step 3: Cross multiply
    66,940.68x = 100,383.48 × 24,823.08
  4. Step 4: Simplify right side
    66,940.68x = 2,491,827,154.72
  5. Step 5: Solve for x
    x = 2,491,827,154.72/66,940.68
  6. Step 6: Final answer
    x = 37,224.41

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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.