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Finding the Fourth Proportional to 40,309.80, 60,464.70 and 32,922.60

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Solution

The fourth proportional to 40,309.80, 60,464.70 and 32,922.60 is: 49,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.80 : 60,464.70 = 32,922.60 : x
  2. Step 2: Convert to fraction form
    40,309.80/60,464.70 = 32,922.60/x
  3. Step 3: Cross multiply
    40,309.80x = 60,464.70 × 32,922.60
  4. Step 4: Simplify right side
    40,309.80x = 1,990,655,132.22
  5. Step 5: Solve for x
    x = 1,990,655,132.22/40,309.80
  6. Step 6: Final answer
    x = 49,383.90

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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.