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Finding the Fourth Proportional to 29,893.20, 44,845.20 and 15,064.80

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Solution

The fourth proportional to 29,893.20, 44,845.20 and 15,064.80 is: 22,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893.20 : 44,845.20 = 15,064.80 : x
  2. Step 2: Convert to fraction form
    29,893.20/44,845.20 = 15,064.80/x
  3. Step 3: Cross multiply
    29,893.20x = 44,845.20 × 15,064.80
  4. Step 4: Simplify right side
    29,893.20x = 675,583,968.96
  5. Step 5: Solve for x
    x = 675,583,968.96/29,893.20
  6. Step 6: Final answer
    x = 22,599.92

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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.