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Finding the Fourth Proportional to 20,042.48, 30,064.06 and 5,999.24

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Solution

The fourth proportional to 20,042.48, 30,064.06 and 5,999.24 is: 8,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.48 : 30,064.06 = 5,999.24 : x
  2. Step 2: Convert to fraction form
    20,042.48/30,064.06 = 5,999.24/x
  3. Step 3: Cross multiply
    20,042.48x = 30,064.06 × 5,999.24
  4. Step 4: Simplify right side
    20,042.48x = 180,361,511.31
  5. Step 5: Solve for x
    x = 180,361,511.31/20,042.48
  6. Step 6: Final answer
    x = 8,998.96

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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.