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Finding the Fourth Proportional to 38,022.60, 57,009.60 and 15,844.80

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Solution

The fourth proportional to 38,022.60, 57,009.60 and 15,844.80 is: 23,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.60 : 57,009.60 = 15,844.80 : x
  2. Step 2: Convert to fraction form
    38,022.60/57,009.60 = 15,844.80/x
  3. Step 3: Cross multiply
    38,022.60x = 57,009.60 × 15,844.80
  4. Step 4: Simplify right side
    38,022.60x = 903,305,710.08
  5. Step 5: Solve for x
    x = 903,305,710.08/38,022.60
  6. Step 6: Final answer
    x = 23,757.07

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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.