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Finding the Fourth Proportional to 29,489.78, 44,255.21 and 12,841.23

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Solution

The fourth proportional to 29,489.78, 44,255.21 and 12,841.23 is: 19,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.78 : 44,255.21 = 12,841.23 : x
  2. Step 2: Convert to fraction form
    29,489.78/44,255.21 = 12,841.23/x
  3. Step 3: Cross multiply
    29,489.78x = 44,255.21 × 12,841.23
  4. Step 4: Simplify right side
    29,489.78x = 568,291,266.10
  5. Step 5: Solve for x
    x = 568,291,266.10/29,489.78
  6. Step 6: Final answer
    x = 19,270.79

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1.5x scale

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.