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Finding the Fourth Proportional to 39,846.60, 59,739.12 and 25,820.64

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Solution

The fourth proportional to 39,846.60, 59,739.12 and 25,820.64 is: 38,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.60 : 59,739.12 = 25,820.64 : x
  2. Step 2: Convert to fraction form
    39,846.60/59,739.12 = 25,820.64/x
  3. Step 3: Cross multiply
    39,846.60x = 59,739.12 × 25,820.64
  4. Step 4: Simplify right side
    39,846.60x = 1,542,502,311.44
  5. Step 5: Solve for x
    x = 1,542,502,311.44/39,846.60
  6. Step 6: Final answer
    x = 38,711.01

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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.