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Finding the Fourth Proportional to 39,482.64, 54,469.62 and 25,866.80

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Solution

The fourth proportional to 39,482.64, 54,469.62 and 25,866.80 is: 35,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.64 : 54,469.62 = 25,866.80 : x
  2. Step 2: Convert to fraction form
    39,482.64/54,469.62 = 25,866.80/x
  3. Step 3: Cross multiply
    39,482.64x = 54,469.62 × 25,866.80
  4. Step 4: Simplify right side
    39,482.64x = 1,408,954,766.62
  5. Step 5: Solve for x
    x = 1,408,954,766.62/39,482.64
  6. Step 6: Final answer
    x = 35,685.42

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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.