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Finding the Fourth Proportional to 40,968.46, 61,453.86 and 22,257.46

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Solution

The fourth proportional to 40,968.46, 61,453.86 and 22,257.46 is: 33,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,968.46 : 61,453.86 = 22,257.46 : x
  2. Step 2: Convert to fraction form
    40,968.46/61,453.86 = 22,257.46/x
  3. Step 3: Cross multiply
    40,968.46x = 61,453.86 × 22,257.46
  4. Step 4: Simplify right side
    40,968.46x = 1,367,806,830.80
  5. Step 5: Solve for x
    x = 1,367,806,830.80/40,968.46
  6. Step 6: Final answer
    x = 33,386.83

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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.