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Finding the Fourth Proportional to 33,107.30, 49,619.10 and 13,374.80

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Solution

The fourth proportional to 33,107.30, 49,619.10 and 13,374.80 is: 20,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.30 : 49,619.10 = 13,374.80 : x
  2. Step 2: Convert to fraction form
    33,107.30/49,619.10 = 13,374.80/x
  3. Step 3: Cross multiply
    33,107.30x = 49,619.10 × 13,374.80
  4. Step 4: Simplify right side
    33,107.30x = 663,645,538.68
  5. Step 5: Solve for x
    x = 663,645,538.68/33,107.30
  6. Step 6: Final answer
    x = 20,045.29

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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.