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Finding the Fourth Proportional to 29,987.20, 44,959.20 and 16,843.60

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Solution

The fourth proportional to 29,987.20, 44,959.20 and 16,843.60 is: 25,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.20 : 44,959.20 = 16,843.60 : x
  2. Step 2: Convert to fraction form
    29,987.20/44,959.20 = 16,843.60/x
  3. Step 3: Cross multiply
    29,987.20x = 44,959.20 × 16,843.60
  4. Step 4: Simplify right side
    29,987.20x = 757,274,781.12
  5. Step 5: Solve for x
    x = 757,274,781.12/29,987.20
  6. Step 6: Final answer
    x = 25,253.27

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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.