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Finding the Fourth Proportional to 28,441.80, 42,673.80 and 11,797.62

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Solution

The fourth proportional to 28,441.80, 42,673.80 and 11,797.62 is: 17,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.80 : 42,673.80 = 11,797.62 : x
  2. Step 2: Convert to fraction form
    28,441.80/42,673.80 = 11,797.62/x
  3. Step 3: Cross multiply
    28,441.80x = 42,673.80 × 11,797.62
  4. Step 4: Simplify right side
    28,441.80x = 503,449,276.36
  5. Step 5: Solve for x
    x = 503,449,276.36/28,441.80
  6. Step 6: Final answer
    x = 17,701.03

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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.