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Finding the Fourth Proportional to 25,998.66, 39,004.91 and 8,229.66

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Solution

The fourth proportional to 25,998.66, 39,004.91 and 8,229.66 is: 12,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.66 : 39,004.91 = 8,229.66 : x
  2. Step 2: Convert to fraction form
    25,998.66/39,004.91 = 8,229.66/x
  3. Step 3: Cross multiply
    25,998.66x = 39,004.91 × 8,229.66
  4. Step 4: Simplify right side
    25,998.66x = 320,997,106.48
  5. Step 5: Solve for x
    x = 320,997,106.48/25,998.66
  6. Step 6: Final answer
    x = 12,346.68

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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.