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Finding the Fourth Proportional to 39,383.40, 59,021.10 and 25,300.20

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Solution

The fourth proportional to 39,383.40, 59,021.10 and 25,300.20 is: 37,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.40 : 59,021.10 = 25,300.20 : x
  2. Step 2: Convert to fraction form
    39,383.40/59,021.10 = 25,300.20/x
  3. Step 3: Cross multiply
    39,383.40x = 59,021.10 × 25,300.20
  4. Step 4: Simplify right side
    39,383.40x = 1,493,245,634.22
  5. Step 5: Solve for x
    x = 1,493,245,634.22/39,383.40
  6. Step 6: Final answer
    x = 37,915.61

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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.