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Finding the Fourth Proportional to 32,550.80, 48,930.60 and 30,239.60

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Solution

The fourth proportional to 32,550.80, 48,930.60 and 30,239.60 is: 45,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,550.80 : 48,930.60 = 30,239.60 : x
  2. Step 2: Convert to fraction form
    32,550.80/48,930.60 = 30,239.60/x
  3. Step 3: Cross multiply
    32,550.80x = 48,930.60 × 30,239.60
  4. Step 4: Simplify right side
    32,550.80x = 1,479,641,771.76
  5. Step 5: Solve for x
    x = 1,479,641,771.76/32,550.80
  6. Step 6: Final answer
    x = 45,456.39

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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.