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Finding the Fourth Proportional to 29,448.48, 40,644.44 and 16,873.20

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Solution

The fourth proportional to 29,448.48, 40,644.44 and 16,873.20 is: 23,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.48 : 40,644.44 = 16,873.20 : x
  2. Step 2: Convert to fraction form
    29,448.48/40,644.44 = 16,873.20/x
  3. Step 3: Cross multiply
    29,448.48x = 40,644.44 × 16,873.20
  4. Step 4: Simplify right side
    29,448.48x = 685,801,765.01
  5. Step 5: Solve for x
    x = 685,801,765.01/29,448.48
  6. Step 6: Final answer
    x = 23,288.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.