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Finding the Fourth Proportional to 34,797.70, 48,023.20 and 19,690.36

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Solution

The fourth proportional to 34,797.70, 48,023.20 and 19,690.36 is: 27,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,797.70 : 48,023.20 = 19,690.36 : x
  2. Step 2: Convert to fraction form
    34,797.70/48,023.20 = 19,690.36/x
  3. Step 3: Cross multiply
    34,797.70x = 48,023.20 × 19,690.36
  4. Step 4: Simplify right side
    34,797.70x = 945,594,096.35
  5. Step 5: Solve for x
    x = 945,594,096.35/34,797.70
  6. Step 6: Final answer
    x = 27,174.04

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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.