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Finding the Fourth Proportional to 38,563.60, 57,845.40 and 36,230.80

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Solution

The fourth proportional to 38,563.60, 57,845.40 and 36,230.80 is: 54,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.60 : 57,845.40 = 36,230.80 : x
  2. Step 2: Convert to fraction form
    38,563.60/57,845.40 = 36,230.80/x
  3. Step 3: Cross multiply
    38,563.60x = 57,845.40 × 36,230.80
  4. Step 4: Simplify right side
    38,563.60x = 2,095,785,118.32
  5. Step 5: Solve for x
    x = 2,095,785,118.32/38,563.60
  6. Step 6: Final answer
    x = 54,346.20

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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.