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Finding the Fourth Proportional to 25,321.70, 37,984.72 and 6,604.22

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Solution

The fourth proportional to 25,321.70, 37,984.72 and 6,604.22 is: 9,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.70 : 37,984.72 = 6,604.22 : x
  2. Step 2: Convert to fraction form
    25,321.70/37,984.72 = 6,604.22/x
  3. Step 3: Cross multiply
    25,321.70x = 37,984.72 × 6,604.22
  4. Step 4: Simplify right side
    25,321.70x = 250,859,447.52
  5. Step 5: Solve for x
    x = 250,859,447.52/25,321.70
  6. Step 6: Final answer
    x = 9,906.90

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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.