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Finding the Fourth Proportional to 39,325.50, 54,253.80 and 25,903.80

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Solution

The fourth proportional to 39,325.50, 54,253.80 and 25,903.80 is: 35,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,325.50 : 54,253.80 = 25,903.80 : x
  2. Step 2: Convert to fraction form
    39,325.50/54,253.80 = 25,903.80/x
  3. Step 3: Cross multiply
    39,325.50x = 54,253.80 × 25,903.80
  4. Step 4: Simplify right side
    39,325.50x = 1,405,379,584.44
  5. Step 5: Solve for x
    x = 1,405,379,584.44/39,325.50
  6. Step 6: Final answer
    x = 35,737.11

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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.