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Finding the Fourth Proportional to 29,976.48, 44,964.72 and 10,255.20

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Solution

The fourth proportional to 29,976.48, 44,964.72 and 10,255.20 is: 15,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,976.48 : 44,964.72 = 10,255.20 : x
  2. Step 2: Convert to fraction form
    29,976.48/44,964.72 = 10,255.20/x
  3. Step 3: Cross multiply
    29,976.48x = 44,964.72 × 10,255.20
  4. Step 4: Simplify right side
    29,976.48x = 461,122,196.54
  5. Step 5: Solve for x
    x = 461,122,196.54/29,976.48
  6. Step 6: Final answer
    x = 15,382.80

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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.