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Finding the Fourth Proportional to 61,853.44, 92,829.36 and 22,421.80

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Solution

The fourth proportional to 61,853.44, 92,829.36 and 22,421.80 is: 33,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.44 : 92,829.36 = 22,421.80 : x
  2. Step 2: Convert to fraction form
    61,853.44/92,829.36 = 22,421.80/x
  3. Step 3: Cross multiply
    61,853.44x = 92,829.36 × 22,421.80
  4. Step 4: Simplify right side
    61,853.44x = 2,081,401,344.05
  5. Step 5: Solve for x
    x = 2,081,401,344.05/61,853.44
  6. Step 6: Final answer
    x = 33,650.53

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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.