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Finding the Fourth Proportional to 39,999.25, 60,008.60 and 12,297.25

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Solution

The fourth proportional to 39,999.25, 60,008.60 and 12,297.25 is: 18,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.25 : 60,008.60 = 12,297.25 : x
  2. Step 2: Convert to fraction form
    39,999.25/60,008.60 = 12,297.25/x
  3. Step 3: Cross multiply
    39,999.25x = 60,008.60 × 12,297.25
  4. Step 4: Simplify right side
    39,999.25x = 737,940,756.35
  5. Step 5: Solve for x
    x = 737,940,756.35/39,999.25
  6. Step 6: Final answer
    x = 18,448.86

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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.