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Finding the Fourth Proportional to 25,706.18, 38,325.09 and 25,059.80

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Solution

The fourth proportional to 25,706.18, 38,325.09 and 25,059.80 is: 37,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,706.18 : 38,325.09 = 25,059.80 : x
  2. Step 2: Convert to fraction form
    25,706.18/38,325.09 = 25,059.80/x
  3. Step 3: Cross multiply
    25,706.18x = 38,325.09 × 25,059.80
  4. Step 4: Simplify right side
    25,706.18x = 960,419,090.38
  5. Step 5: Solve for x
    x = 960,419,090.38/25,706.18
  6. Step 6: Final answer
    x = 37,361.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.