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Finding the Fourth Proportional to 32,958.52, 45,485.57 and 18,620.99

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Solution

The fourth proportional to 32,958.52, 45,485.57 and 18,620.99 is: 25,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,958.52 : 45,485.57 = 18,620.99 : x
  2. Step 2: Convert to fraction form
    32,958.52/45,485.57 = 18,620.99/x
  3. Step 3: Cross multiply
    32,958.52x = 45,485.57 × 18,620.99
  4. Step 4: Simplify right side
    32,958.52x = 846,986,484.92
  5. Step 5: Solve for x
    x = 846,986,484.92/32,958.52
  6. Step 6: Final answer
    x = 25,698.56

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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.