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Finding the Fourth Proportional to 13,228.80, 19,843.96 and 4,797.14

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Solution

The fourth proportional to 13,228.80, 19,843.96 and 4,797.14 is: 7,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.80 : 19,843.96 = 4,797.14 : x
  2. Step 2: Convert to fraction form
    13,228.80/19,843.96 = 4,797.14/x
  3. Step 3: Cross multiply
    13,228.80x = 19,843.96 × 4,797.14
  4. Step 4: Simplify right side
    13,228.80x = 95,194,254.27
  5. Step 5: Solve for x
    x = 95,194,254.27/13,228.80
  6. Step 6: Final answer
    x = 7,195.99

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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.