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Finding the Fourth Proportional to 25,630.70, 38,450.01 and 10,839.70

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Solution

The fourth proportional to 25,630.70, 38,450.01 and 10,839.70 is: 16,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.70 : 38,450.01 = 10,839.70 : x
  2. Step 2: Convert to fraction form
    25,630.70/38,450.01 = 10,839.70/x
  3. Step 3: Cross multiply
    25,630.70x = 38,450.01 × 10,839.70
  4. Step 4: Simplify right side
    25,630.70x = 416,786,573.40
  5. Step 5: Solve for x
    x = 416,786,573.40/25,630.70
  6. Step 6: Final answer
    x = 16,261.22

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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.