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Finding the Fourth Proportional to 33,212.40, 45,739.80 and 32,486.64

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Solution

The fourth proportional to 33,212.40, 45,739.80 and 32,486.64 is: 44,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.40 : 45,739.80 = 32,486.64 : x
  2. Step 2: Convert to fraction form
    33,212.40/45,739.80 = 32,486.64/x
  3. Step 3: Cross multiply
    33,212.40x = 45,739.80 × 32,486.64
  4. Step 4: Simplify right side
    33,212.40x = 1,485,932,416.27
  5. Step 5: Solve for x
    x = 1,485,932,416.27/33,212.40
  6. Step 6: Final answer
    x = 44,740.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.