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Finding the Fourth Proportional to 63,141.80, 94,727.52 and 18,768.92

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Solution

The fourth proportional to 63,141.80, 94,727.52 and 18,768.92 is: 28,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141.80 : 94,727.52 = 18,768.92 : x
  2. Step 2: Convert to fraction form
    63,141.80/94,727.52 = 18,768.92/x
  3. Step 3: Cross multiply
    63,141.80x = 94,727.52 × 18,768.92
  4. Step 4: Simplify right side
    63,141.80x = 1,777,933,244.68
  5. Step 5: Solve for x
    x = 1,777,933,244.68/63,141.80
  6. Step 6: Final answer
    x = 28,157.79

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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.