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Finding the Fourth Proportional to 25,321.92, 37,982.40 and 6,600.48

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Solution

The fourth proportional to 25,321.92, 37,982.40 and 6,600.48 is: 9,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.92 : 37,982.40 = 6,600.48 : x
  2. Step 2: Convert to fraction form
    25,321.92/37,982.40 = 6,600.48/x
  3. Step 3: Cross multiply
    25,321.92x = 37,982.40 × 6,600.48
  4. Step 4: Simplify right side
    25,321.92x = 250,702,071.55
  5. Step 5: Solve for x
    x = 250,702,071.55/25,321.92
  6. Step 6: Final answer
    x = 9,900.59

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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.