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Finding the Fourth Proportional to 39,998.25, 60,007.10 and 12,296.25

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Solution

The fourth proportional to 39,998.25, 60,007.10 and 12,296.25 is: 18,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.25 : 60,007.10 = 12,296.25 : x
  2. Step 2: Convert to fraction form
    39,998.25/60,007.10 = 12,296.25/x
  3. Step 3: Cross multiply
    39,998.25x = 60,007.10 × 12,296.25
  4. Step 4: Simplify right side
    39,998.25x = 737,862,241.89
  5. Step 5: Solve for x
    x = 737,862,241.89/39,998.25
  6. Step 6: Final answer
    x = 18,447.36

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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.