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Finding the Fourth Proportional to 39,801.60, 54,921.60 and 27,244.80

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Solution

The fourth proportional to 39,801.60, 54,921.60 and 27,244.80 is: 37,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.60 : 54,921.60 = 27,244.80 : x
  2. Step 2: Convert to fraction form
    39,801.60/54,921.60 = 27,244.80/x
  3. Step 3: Cross multiply
    39,801.60x = 54,921.60 × 27,244.80
  4. Step 4: Simplify right side
    39,801.60x = 1,496,328,007.68
  5. Step 5: Solve for x
    x = 1,496,328,007.68/39,801.60
  6. Step 6: Final answer
    x = 37,594.67

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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.