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Finding the Fourth Proportional to 32,556.80, 48,939.60 and 30,245.60

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Solution

The fourth proportional to 32,556.80, 48,939.60 and 30,245.60 is: 45,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,556.80 : 48,939.60 = 30,245.60 : x
  2. Step 2: Convert to fraction form
    32,556.80/48,939.60 = 30,245.60/x
  3. Step 3: Cross multiply
    32,556.80x = 48,939.60 × 30,245.60
  4. Step 4: Simplify right side
    32,556.80x = 1,480,207,565.76
  5. Step 5: Solve for x
    x = 1,480,207,565.76/32,556.80
  6. Step 6: Final answer
    x = 45,465.39

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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.